Cmos amplifier design jobs
I'm on the hunt for a skilled TikTok content creator who has a knack for crafting videos that don't just get views, they generate leads and enhance brand awareness specifically for a women's audience. If you're someone who knows the ins and outs of making engaging reels and stories, this project is for you. **Goals:** - Increase brand visibility. - Create engaging, lead-generating content tailored to women. **Target Audience:** - Our content is specifically designed for women, aiming to captivate and connect with this demographic. **Branding Guidelines:** - I have specific branding guidelines that will be shared. This includes color schemes, tone of voice, and the overall aesthetic that should be maintained across all content. **Ideal Skills and Experience:** - Prov...
The Proposal will include adding audio amplifier, adding capability to lower power consumption by turning off DFPlayer and audio amplifier when not used and removing DC/DC converter to take only 5V input, it will also include adding eFuse or other more advanced circuit protection system.
Hi Aleksander - I have come to the point where I am again in need of your skills on the Talk Box Project. Are you interested in an available to help me advance it to the next phase? - The DC/DC convertor on the prototype is no longer available. I can take 5v power though. - I need an amplifier for the audio. - I need a power saving circuit to disable the DFPlayer and amp when not in use. I've run out of characters to type here, let me know your thoughts!
...high-voltage amplifier capable of boosting signals to a significant level for specialized radio applications. This unique and challenging project requires the design and implementation of an amplifier that can elevate a 12V supply through a transformer to output 10kV to power a neon lamp with frequency switching capabilities. Here’s a concise overview of my requirements and the ideal skills I’m looking for in a freelancer: **Core Requirements:** - **Design a voltage amplifier** that takes a 12V input and outputs at 10kV to drive a neon lamp, indicating a successful boost in voltage. - **Frequency switching range** should be versatile, accommodating anything from 10 Hz to 30 kHz, to suit a variety of applications and experiments within the ...
The ideal candidate willl work on commission because they know they have to produce results. As a corporate executive, I am in need of a resourceful freelancer who possesses broad industry knowledge. Your skills and experience will be put to use in a quest to increase sales results. The ideal candidate should have: - Comprehensive grasp of diverse industries - Proven strategies to boost corporate sales - A keen understanding of the corporate executive mindset and needs Let's work together to formulate and execute high-impact strategies that propel sales numbers upwards. Please come prepared with a concrete action plan on how to meet this primary objective.
Ive got a IO board made for RPI CM4. Peripherals: 5x Proximity sensors (GPIO 5, 24, 23, 17) 2x RPi Cam Module v3 1x DC motor (24V 2A) DRV8874 (EN - GPIO13, PH - GPIO 18, nFAULT - GPIO 14, nSLEEP - GPIO 27 1x Microphone (IS2 MEMS, SPH0645, SPI0_CE0_N - GPIO 8, SPI0_MOSI - GPIO 10, SPI0_MISO - GPIO 9 - using all these on ALT4 function mode on CM4) 1x Amplifier + Speaker via mono PWM audio output on GPIO12 1x Press button (GPIO 11) 1x Status indicator LED (GPIO 25) 1x Temp sensor (GPIO 2) As a cost saving solution I wish to change this Rpi CM4 to a Orange Pi CM4 using the same IO board. Orange Pi CM4 has one ALT1 function. The question is if I can really interchange RPi with OPi CM4. Scope of this project: * Writing a custom firmware based on Python, Armbian or Orange Pi OS. * T...
...create a Low Noise Amplifier (LNA) tailored for the telecommunications industry. This project aims to develop an LNA that operates in the 8–12 GHz frequency range, with specific attention to gain, noise figure, and bandwidth specifications. **Requirements:** - **Design an LNA** within the 8–12 GHz frequency range - Ensure the **LNA meets specified criteria** for: - **Gain:** Achieve the highest possible gain within operational parameters - **Noise Figure:** Minimize noise to enhance signal quality - **Bandwidth:** Ensure broad enough bandwidth to support telecommunications applications - Utilize **Gallium Arsenide (GaAs)** technology, leveraging its benefits for high-frequency applications **Ideal Skills and Experience:** - **Proven track record** in ...
...seeking an experienced mobile app developer to create an application that functions as a remote control for my amplifier via Bluetooth. Here's what I require: - **Compatibility:** The app must work flawlessly on both iOS and Android devices. - **Functionality:** - Input source selection with editable names - Volume adjustment capabilities (up and down) - Mute function - Power on/off toggle - **Connection:** Use of Bluetooth technology to communicate with the amplifier's RS232 interface. **Ideal Candidate Skills:** - Proficient in iOS and Android app development - Experience with Bluetooth connectivity in mobile apps - Knowledge of RS232 interface protocol - UI/UX design experience for intuitive app interfaces - Ability to test for compatibility acr...
Looking for a vibrant and innovative partner to take our brand's online presence to the next level. Expertise...following and increase user engagement across platforms - Content Creation * Develop unique, visually appealing content that resonates with our demographic * Craft engaging stories that reflect brand values and attract ages 18-44 * Drive traffic and conversions through compelling calls-to-action Ideal Candidate: - Proven track record in social media growth and content curation - A keen eye for design, matching brand aesthetics - Experience with the latest social media trends, targeting the stated demographics - Ability to measure, analyze, and report on social media metrics We're committed to a consistent brand message infused with creativity. Let's...
...comprehensive lead list with very specific requirements. The successful candidate should ideally have the following: - Proficient in English language - Experience with lead generation in e-commerce industries - Ability to find leads based on e-stores language options provided to consumers - Expertise in identifying key decision-makers within organizations Key Details: - Leads must be founders, CEOs, CMOs, or Marketing Managers. - I'm targeting multi-language e-commerce stores (they must offer their product to French speakers, but not be French-speaking brands). Ideal Skillset: - Strong knowledge of data mining and research This project demands precision and efficiency. A deep understanding of corporate structures and job titles is imperative. If you have a proven t...
I'm seeking an experienced PCB designer for a specific project: - Purpose: Design a power amplifier circuit mainly for instrumentation amplifier applications. - Core Functions: - Expertise in power amplification circuits. - Proficient with instrumentation amplifier requirements. - Requirements: - Strong background in PCB design and electronics.. - Ability to optimize for stability and noise reduction. Ideal Candidate: - Has created similar circuits for professional or consumer products. - Familiar with reliability standards for instrumentation. - Excellent communication for iterative design process. I need a meticulous and innovative designer ready to collaborate closely to meet the precise needs of this project.
I need to develop a vision system with an ESP32 and an optical linear cmos sensor tsl1401.
I'm looking for an expert who can help me setup an advanced home audio system for both music playback and home theater experience. The setup should include 7 speakers or more to provide a balanced and comprehensive sound acros...comprehensive sound across all frequencies. Ideal experience would include prior work in home audio setups, with a keen ear for balanced sound across all ranges, rather than focussed on just power bass or minute details. The aim is to create an immersive listening experience, suited for movies and music across various genres. I have the house design drawings and renders. I will share those and I want to know where should I place speakers, determine which amplifier, which speaker and how many. That is the project. No installation or something. Jus...
As manufacturer/ reseller, I'm requiring the design of schematics for a custom analogue audio mixing board. Also to be designed is a portable headphone amplifier that will work in conjunction with the mixer. Also, there is the possibility of taking the next step of designing the PCB boards. The design concept and design details are complete. Now needed are the next steps in electronics design to be forwarded to the manufacturing facility. Ideally, I'd like to work with a freelancer who has a strong background in audio technology and experience in creating analogue audio solutions. Your past projects and proven track record in this domain will be critical for me to make my selection. Looking forward to working with someone passionate about musi...
I am seeking an expert who can identify an IEEE paper relevant to power amplifiers or low noise amplifiers, and imitate the same using LTSpice. Requirements include: - Delving into the specifics of the design methodology, performance metrics and simulation results presented in the chosen paper - No particular preferences when it comes to designing the amplifier as per classes or types - Validating the results post simulation - Presenting various matrices such as z, h, y for the amplifier under consideration Ideal candidates should possess: - Detailed knowledge about different classes and types of amplifiers - Proficiency in using LTSpice for simulation purposes - Ability to understand and interpret complex matrices associated with amplifiers
...dedicated expert to design and build a prototype of a Streaming DAC (Digital-to-Analog Converter) Board. This board will be specifically for audio playback, converting digital signals into analog audio. The ideal freelancer for the project will be proficient with the following: - Designing and building DAC boards - Knowledge of audio playback technology, specifically analog - Power supply design for battery-operated devices Your task will be to create a prototype streaming DAC amplifier board that operates on battery power and successfully converts digital signals into quality analog audio. Proficiency in circuit design, audio technology, and sustainable power supply integration will be critical to fulfilling this role successfully. Previous experience wi...
...dedicated expert to design and build a prototype of a Streaming DAC (Digital-to-Analog Converter) Board. This board will be specifically for audio playback, converting digital signals into analog audio. The ideal freelancer for the project will be proficient with the following: - Designing and building DAC boards - Knowledge of audio playback technology, specifically analog - Power supply design for battery-operated devices Your task will be to create a prototype streaming DAC amplifier board that operates on battery power and successfully converts digital signals into quality analog audio. Proficiency in circuit design, audio technology, and sustainable power supply integration will be critical to fulfilling this role successfully. Previous experience wi...
I'm seeking an expert in CMOS based Combinational Circuits and proficient in LTSpice to assist in my project with an eye to reduce its power consumption. Specifics demands of the role include: - Employ expertise in LTSpice simulation software. - Leverage knowledge in CMOS technology to maximize efficiency of the given circuit while reducing overall power consumption. - Exercise skills in combinational circuits to enhance effectiveness without compromising on circuit's speed.
I am looking for a freelancer to develop a dedicated purpose audio app using a Teensy 4.1 microcontroller. The app will play files from a preloaded SD Card to Teensy to Audio Codec to Audio Amp to a Speaker (10 w). Desired Output: - The main function of the app is playback. User Interface: - The audio app will have a user interface that utilizes 3-gang starswitch for selections (000-199). Three switches: START, PAUSE (Looong selections require this),END (selection). Analog VOL control, Lo to Hi Power: Wall plug-in: 110V AC to 12V DC, 1 Amp Audio File Format: - The preferred format for the audio files is not specified, as the app should be able to play various formats such as MP3 and WAV. Skills and Experience: - Experience with Teensy microcontrollers and audio codecs. - Proficiency...
Hello,I am looking for experienced RF designer to design RF PCB consisting of an Zynq FPGA and an rf transceiver chipset (will be revealed via chat). The design consist of GPS ,wifi module, display ,keypad and power amplifier which the freelancer should select and make the design in preferable 6/8 layer design also requires impedance matching. More details via chat.
RF pre-amplifier simulation (experienced RF engineers only please!) I am looking for a freelancer who can design and simulate with SPICE an RF pre-amplifier with 22 dB gain. The specific frequency range I am targeting is from 300 KHz to 500 MHz. Skills and experience required: - Able to show they can simulate a simple 1 transistor amplifier in SPICE (pre-selection test) - Proficiency in RF circuit design and simulation - Experience with high gain RF pre-amplifiers - Knowledge of impedance matching techniques - Familiarity with simulation software such as SPICE, ADS or CST - Ability to analyze and optimize amplifier performance If you have experience in RF circuit design and simulation and can meet the specific requirements of this project...
I would like to create the option to open and start the vehicle while our customers have their keys in a secure place within our garage
Need a Research discussing and comparing the different types of intraoral digital radiography and their application in dentistry (More specifically its applications in Endodontics) -indirect digital radiography "Conventional film photographed using a digital camera or scanned by a special scanner" -direct digital radiography "CCD , CMOS Sensors" -Semi-direct digital radiography "PSP Plates + Laser Scanner" Notes: Needed by 20th of December . Needed to be with scientific coverage. it has to be with photos , radiographs , illustrations and diagrams
...designer to assist me with my digital design project on Cadence virtuoso. The project is currently in the beginning stage and I require assistance in creating a digital design. Specific requirements for this project include: - Expertise in digital design on Cadence - Strong understanding of VLSI design principles and methodologies - Ability to work on a project of intermediate complexity Ideal skills and experience for this job include: - Proficiency in Cadence software - Experience in digital design projects - Knowledge of VLSI design techniques and tools You need to design a 16-bit carry-bypass adder in this project. The adder accepts two 16-bit numbers as inputs and produces the sum of these two numbers as the output. You will be ...
...designer to assist me with my digital design project on Cadence virtuoso. The project is currently in the beginning stage and I require assistance in creating a digital design. Specific requirements for this project include: - Expertise in digital design on Cadence - Strong understanding of VLSI design principles and methodologies - Ability to work on a project of intermediate complexity Ideal skills and experience for this job include: - Proficiency in Cadence software - Experience in digital design projects - Knowledge of VLSI design techniques and tools You need to design a 16-bit carry-bypass adder in this project. The adder accepts two 16-bit numbers as inputs and produces the sum of these two numbers as the output. You will be ...
...for freelancers to design and create an analogue voltage alarm. The alarm should have the following specifications: Voltage Range: - The desired voltage range for the alarm is 0-5V. Functionality: - The alarm should be able to warn of both voltage rise and drop. Power Supply: - The alarm will be powered by a battery. Ideal Skills and Experience: - Strong knowledge of analogue circuit design. - Experience in creating voltage alarms. - Proficiency in selecting appropriate components for battery-powered devices. - Familiarity with voltage monitoring and detection systems. - Ability to design a compact and efficient circuit that meets the specified voltage range and functionality requirements. This is the alarm system for my patent The problem: I have a 50 watt ...
Develop logical equations based on given specifications. Design gate-level schematics to meet all specifications. Utilize CMOS logic to create transistor-level schematics for all logic gates. Calculate W/L ratios for each MOSFET based on transient performance. Determine mid-point voltage, rise time, and fall time for each unique logic gate. Calculate capacitances considering parasitic capacitance values. Prepare a floorplan for layout, considering gate locations, signal distribution, and pad locations.
I am looking for a freelancer who can design a 4 quadrant transimpedance amplifier PCB for my project. The details of the project are as follows: Bandwidth: - The desired bandwidth of the transimpedance amplifier is less than 1MHz. PCB Size: - I do not have a specific size specification for the PCB. Standard size is fine for my requirements. Power Supply Voltage: - The preferred power supply voltage for the PCB is 5V-10V. Skills and Experience: - Experience in designing transimpedance amplifiers with a bandwidth of less than 1MHz. - Proficiency in PCB design and layout. - Knowledge of standard PCB sizes and specifications. - Familiarity with power supply voltage requirements for electronic circuits. - Attention to detail and ability to meet project specifica...
Develop logical equations based on given specifications. Design gate-level schematics to meet all specifications. Utilize CMOS logic to create transistor-level schematics for all logic gates. Calculate W/L ratios for each MOSFET based on transient performance. Determine mid-point voltage, rise time, and fall time for each unique logic gate. Calculate capacitances considering parasitic capacitance values. Prepare a floorplan for layout, considering gate locations, signal distribution, and pad locations.
...made for CM4. This schematic is 100% finished in EasyEDA by me however Im totally uncertain if my schematic or connections are correct or not. The carrier board interfaces the following: 2x RPi Cam Module v3 1x DC motor (24V 2A) DRV8874 4x proximity sensors 1x Microphone (IS2 MEMS) 1 Amplifier + Speaker Some press buttons 1x Micro-USB connection (I would prefer to change this to USB-C) 40 GPio pin header for testing purposes Once it is done and the PCB assembled I wish to use the Tuya firmware and design a nice Tuya Ui (panel) for this device. * I need someone to confirm if the schematic is fully working and no missconnections, everything is connected well to avoid faulty PCB. * Fix all problems with the circuit * Create a PCB board + GERBER files (preferebly in Easy...
Hello, I am looking for a new or reconditioned amplifier for my home setup. I am open to any brand and I am looking to spend between $100 and $500 on this purchase. If you think you can help me find the perfect amplifier within my budget, I’d love to work with you. Thank you!
I'm looking for an experienced PCB designer to work on a project for me. The desired size of the PCB is small (less than 5cm). The primary function of the board is integrate Bluetooth LE module with battery power module and a single stage charge amplifier. I have confidence that the designer will be able to determine the appropriate components to use on the board, so I do not have a specific list of components at this time. I am attaching a specification document below with brief description.
I'm looking for an experienced PCB designer to work on a project for me. The desired size of the PCB is small (less than 5cm). The primary function of the board is integrate Bluetooth LE module with battery power module and a single stage charge amplifier. I have confidence that the designer will be able to determine the appropriate components to use on the board, so I do not have a specific list of components at this time. I am attaching a specification document below with brief description.
You should be able to layout some basic CMOS logic gates. This requires familiarity with Cadence Virtuoso tool . It includes some widely used basic CMOS logic gates. The circuits to be laid out are described below 1. An INVERTER Use: (W/L)n = 1.0/0.045 and (W/L)p = 2.0/0.045 2. A 2-input NAND gate Use: (W/L)n = 2.0/0.045 and (W/L)p = 2.0/0.045 3. A 2-input NOR gate Use: (W/L)n = 1.0/0.045 and (W/L)p = 4.0/0.045 4. A 2-input XOR gate Use: (W/L)n = 2.0/0.045 and (W/L)p = 4.0/0.045 5. A complex gate F = (A+B)•(C+D) Use: (W/L)n = 2.0/0.045 and (W/L)p = 4.0/0.045 All circuits are to be laid out using Cadence Virtuoso.
You whould be able to layout some basic CMOS logic gates. This requires familiarity with Cadence Virtuoso tool . It includes some widely used basic CMOS logic gates. The circuits to be laid out are described below 1. An INVERTER Use: (W/L)n = 1.0/0.045 and (W/L)p = 2.0/0.045 2. A 2-input NAND gate Use: (W/L)n = 2.0/0.045 and (W/L)p = 2.0/0.045 3. A 2-input NOR gate Use: (W/L)n = 1.0/0.045 and (W/L)p = 4.0/0.045 4. A 2-input XOR gate Use: (W/L)n = 2.0/0.045 and (W/L)p = 4.0/0.045 5. A complex gate F = (A+B)•(C+D) Use: (W/L)n = 2.0/0.045 and (W/L)p = 4.0/0.045 All circuits are to be laid out using Cadence Virtuoso.
I am looking for a skilled designer to create an 8-bit Binary MUX. The designer will need to know a few CAD tools (Electric, IRsim, Ltspice). I'll provide more details about the project and how it should be done. Skills and Experience: - Strong knowledge and experience in designing 8-bit Binary MUX - CAD tools (Electric, IRsim, LTspice) - Proficiency in CMOS logic family - Ability to provide full documentation for the design
Seeking support from a electronics subject matter expert with skills in the below four specific areas of electronic circuit design. 1. Operational amplifier circuit design. 2. Instrumentation amplifier using three Operational Amplifiers. 3. Phase Locked Loop (PLL) - Must be able to work with the S-domain transfer functions for a phase locked loop, very similar it will look like a classic second order transfer function. 4. Reliability, Mean Time Between Failure analysis
I am looking for a PCB designer to create a circuit board for a Class-D audio amplifier. The project requires the following: Power Output: - The audio amplifier should have a power output of less than 50W. PCB Size: - The PCB should be designed to a specific size (less than 3 x 2 inches). The PCB will have two inputs one for the audio and one for the power source of +30VDC and -30VDC Input Source: - The amplifier will be used with an analog input source. Ideal Skills and Experience: - Experience in PCB design for audio amplifiers. - Proficiency in working with Class-D amplifier circuits. - Knowledge of analog input source compatibility. - Ability to design PCBs to specific size requirements.
Assist in designing a power amplifier and switching power supplier. The power amplifier will be powered by the off-line switching supply and a Class-D amplifier. Experience with analog electronics is highly preferred.
This project aims to build a custom audio amplifier using an ESP32 WROVER-B, capable of separating audio signals into four distinct frequency bands and amplifying each independently. Users can adjust the amplification levels of each frequency band via an Arduino-based control system. Including PCB source to order PCB.
Scope start date: October the 4th. Scope finish date: October the 7th. Scope duration: 6 hours of work for an experienced individual Seeking support from a electronics subject matter expert with skills in the below four specific areas of electronic circuit design. 1. Operational amplifier circuit design. 2. Instrumentation amplifier using three Operational Amplifiers. 3. Phase Locked Loop (PLL) - Must be able to work with the S-domain transfer functions for a phase locked loop, very similar it will look like a classic second order transfer function. 4. Reliability, Mean Time Between Failure analysis
I am in need of a freelancer to help me reassemble my Technics sound system. Unfortunately, I do not have the necessary instructions to do so. I need someone who can physically reassemble the system for me. If you know how to properly reassemble Technics sound system that includes, equaliser, cassettee player, amplifier, vinyl player etc and are comfortable helping me out, please bid on my project. I am looking forward to hearing from you soon. Thank you!
I am looking for a freelancer who can help me troubleshoot programming issues with my ESP32. I am using the Arduino IDE and I have existing code that isn't working properly. THis should be a simple project. I'm using the ESP8266 Audio Library which gets it MP3 data from a SD MMC card. We can read from the SD Card. The problem is I do not know how to direct the output to my Max98357A amplifier using the I2S bus. I need someone to correct my code to accomplish this. Skills and experience required: - Strong knowledge and experience with ESP32 troubleshooting - Proficiency in programming with Arduino IDE - Ability to analyze and debug existing code - Familiarity with ESP32 hardware and functionality - Problem-solving skills to identify and resolve programming issues If...
...for a freelancer who can modify my code for a ESP32 using the ESP8266Audio Library and get it to play the video which is sync'd with the audio. The audio file is read from an SD card using the SD_MMC.h library. I'm using the ESP8266Audio Library to play the file. The output should go to a Max98357A amplifier that uses DOUT on pin GPIO_22, BCLK on pin GPIO_26, LRC on pin GPIO_25. The video portion works fine. The problem is, we can't hear anything from the speaker. But we know the amplifier and pinouts are correct because they function using another library. The timeline for these modifications is short-term, within a week. We need someone to help us get this working. Ideal Skills and Experience: - Proficient in programming with the ESP32 for video us...
Hi all, I'm looking for help/advise working with a S11108 is a CMOS linear image sensor. My son is studying computer science at university who has been helping. We are using the S11108 to scan a moving object which is a plastic tape like product that has a gap in the middle running down the length of the material. The gap changes changes size and we would like to monitor this. Please see my circuit design. I believe the sensor is capable of doing the job. However we are doing something wrong with regards to the programming or maybe circuit design. For whatever reason we don’t seem to be getting anything on the video output line or EOS from the S11108 sensor. Could anyone on here point me into the right direction as to what the problem may be? Any help woul...
...jobs that will require part time work. These products will use CMOS cameras and micro-OLED displays. We would like an EE who has experience designing circuits to drive the camera and display. We expect to start in approximately April of 2024 and need completion by July 2024. Must be US Citizen or Green Card Holder. Responsibilities Read and interpret CMOS camera and micro-oled technical data packages and design and valid circuits that take drive the camera and display and transfer imagery from the camera to the display. Be able to layout and route flex circuits. Define appropriate micro-connectors. Interrelate with Maranon opto-mechanical engineer. Qualifications Bachelor's degree in Electrical Engineering or related field CMOS and Display experienc...
We are going to make an amplifier board. The final deliverables are: - Schematics - Gerbers - BoM Only individual engineers are acceptable.
I have a custom board that uses an nRF52840 microcontroller with an nRF21540 FEM bluetooth amplifier. I need a programmer who can create a bluetooth connection between my board and a smartphone in Long Range (Coded PHY) mode. The ideal candidate should have experience programming Nordic Semiconductor nRF52 microcontrollers in VS Code + nRF Connect SDK environment and have experience with NRF21540 FEM. Also, ideally, he should have a nRF52840 DK or nRF21540 DK debug board on which he will debug the program. I am looking forward to your suggestions and hope for fruitful cooperation.
