Questions tagged [transmitter]
Questions on a set of equipment used to generate and transmit electromagnetic waves carrying messages or signals, esp. those of radio or television.
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Piezo tr switch no echo signal
I set this circuit to use piezo as transceiver. I can perfectly transfer the transmitter signal (10 burst pulse) but as transmitter still connected onto piezo , any reveived signal is disappears. When ...
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Impedance matching T/R switch
I do drive a piezo as transceiver. My transmitter provides square burst around 10Vpp which is too big for simply switching through a diode by dc biasing. I found out that bridge rectifier structure ...
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Transmitter parasitic drainage [closed]
I have a RF cordless calling/alarm bell which works on batteries. The receiver works with 3x AA batteries and its transmitter works with a 23A (12v) battery. The product works with their function.
The ...
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does rf remote transmitter power affect solenoid strength
Remote-control nestbox (bird) trap design calls for one 9V battery (pack with switch) boosted to 12V with MT3608 module to power 12V 433Mhz RF remote receiver, which is connected to a ZEY1-0530 ...
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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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Are my power calculations on this MOSFET Power Amplifier accurate?
Thanks to the help of electronics.SE, I've designed my first power amplifier, intended for transmitting CW on 7 MHz.
Before I order parts and build it, I'd request a design review.
One important note:...
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Problem to transmit data using FS1000A
My circuit have 4 simple parts.
Input voltage is 14.5 so I use two regulator 7805 and 7809 to power supply boards. I use 7805 for WeMos D1 mini (clone) and 7809 to supply power of FS1000A (max input ...
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Amplitude modulation problems
I am trying to do amplitude modulation using a diode, but my circuit will not work. This is the circuit I am using:
simulate this circuit – Schematic created using CircuitLab
I don't know why ...
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Extending load cell wires for weight transmitter connection
I have a load cell that I want to install in a certain location. I plan to connect its output to a load cell transmitter, which is approximately a meter away from the maximum length of the load cell ...
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Designing FM Transmitter [closed]
I am a student and I want to learn how to practically design a FM Transmitter circuit, I have this circuit here and I would be grateful if someone could tell me how to calculate and select all the ...
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How do the currents induced by the E-field and H- field flow? Which of the two currents induced by E or H has the larger amplitude?
I came across this problem for an exam preparation question, which I am struggling to answer.
Consider a sphere made of thin metal, with a radius of 1 m, at 20 km distance from an AM transmitter ...
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Why would a UART only transmit the first character and then stop?
For some context I'm using a STM32H7A3 chip: reference manual
With this UART and pin configuration:
...
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Where is the transmit power of antenna in RF circuit schematic calculated?
I want to measure the transmit power of my AM modulated RF circuit. Below is the RF circuit from LTSpice. Should the power be calculated at nodes R5 or C3? Which node can serve as an antenna? The ...
user321220
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How does this ultrasound transmitter work?
Can anyone explain each component and why it is used?
Why Q dash used instead of Q from IC 74121?
why .1 nad 47 microfarad used?
how the 0 to 9V and 0 to -100 V obtained?
reference site
https://www....
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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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