Questions tagged [receiver]
A receiver is any electronic device that receives an external signal (e.g., radio, electrical or optical) and converts the information carried by them to a usable internal form.
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Noise Figure at the Rx ADC output
I need to measure gain & nf of the Rx at the ADC output. I inject sine wave tone to the Rx input. Then I make a ram dump of the IF ADC output, read it, perform fft and finally get the IF PSD.
My ...
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How to match RF transmitter (EV1527) and receiver (SYN470) together?
I have a transmitter that uses EV1527 encoder IC in 433 MHz. Here I want to make a receiver by SYN470. In this case, I am amateur and I do not know how to match transmitter and receiver together in a ...
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Second Opinion on Superheterodyne Receiver Design
I've design a superheterodyne receiver for frequencies between 88-108MHz. Below shows the final schematic and I wanted to get a second opinion on it. Specifically, I wanted to know if the general ...
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Sending control signal via FM
Is it possible to send different signals to a receiver using FM which then the receiver would be able to distinguish between and do a set act based on the signal? How to?
For example, the transmitter ...
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Wideband Impedance Matching for Inductive Source/Load
I'm designing the frontend of a receiver and I want the output impedance to be 50Ω so that I can get as much power into the mixer. I tried placing a bandpass filter (image filter for 88-108MHz) in ...
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Incorrect Output of RF Mixer
I've designed a RF mixer (Gilbert Cell) which takes a RF frequency between 88-108MHz and a LO of 77.3-97.3MHz, I want to take the difference between the two so the IF is 10.7MHz. Currently, the output ...
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Problems with regenerative receiver circuit
Im trying to build a regenerative receiver, that is supposed to receive a ASK/OOK modulated signal. but there are a few problems. Keep in mind this circuit might be horrendous, but it's just a proof ...
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How to design an RF frontend for an FM receiver
I'm designing a RF receiver for FM Radio. I simulated the circuit in LTspice and got an output as shown below:
This is OK, but I would like the gain to be 24 dB across the range of 88-108 MHz.
The ...
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How to check if I destroyed the bluetooth receiver
I have very little experience with electronics but I tried converting my Logitech unifying receiver to USB-C.
I followed the steps I found online and got a functioning result. I based my wiring on the ...
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4 MHz RF-receiver not working
I have been trying to make a 4 MHz receiver, to receive a ASK/OOK modulated signal but it never really works. I have my suspicions that it's the LC tank that is not tuned correctly, I am quite new to ...
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USRP B200 sample rates
What are the possible sample rates for both transmit and receive on the Ettus USRP B200 mini ? This SDR uses the AD9364 chip.
Does the radio use integer divisors of the master clock rate? Or does it ...
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Is it possible to sense a temperature using an infrared LED?
Is it possible to make a remote thermometer using a standard IR LED as a transmitter and an IR receiver diode as a receiver?
The range is about 5 meters. I know there are chips available for this ...
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Measuring Doppler and Doppler rate at a receiver
I am simulating receiving a digital signal, QAM modulation, raised cosine pulses... from a satellite to a receiver on the ground. I wanted to honestly simulate measuring the Doppler and Doppler rate ...
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What can be done to increase the dynamic range of a FM receiver?
If i have to receive a signal from a far away FM station, nearby stations swamp the receiver if they are both nearby physically or nearby in the spectrum. I believe the AGC in my radio is cutting out ...
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Battery State Indicator LEDs in Wireless Charging
I am working on a custom wireless charging System. I am using the following ICs
Transmitter IC: https://www.analog.com/media/en/technical-documentation/data-sheets/LTC6992-1-6992-2-6992-3-6992-4.pdf
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