Questions tagged [trimmer]
The trimmer tag has no usage guidance.
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Are variable capacitors compatible with breadboards still available?
Variable capacitors are used less, since the preference is for digital adjustment. And through hole parts are used for less, since the preference is for SMD. Finally, many variable capacitors have ...
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Understanding AM/FM stereo receiver schematic
I am working on a parts list to build a AM/FM Stereo receiver (see https://electronics-diy.com/pdf/TEA5711.pdf). It's a design from Phillips Electronics using the TEA5711 IC. It was published in ...
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How stable is this trimpot?
From this question, I understand that the better solution to drop off the temperature dependence of the gain in variable gain amplifier is to set the potentiometer in a voltage divider configuration. ...
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How to adapt a FM reciever circuit to use a varicap diode instead of a trimmer capacitor
My team and I are interested in learning about FM communication and decided to build a simple FM receiver before building a proper transmitter. We looked at some circuits on the web, and they all seem ...
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Power Supply Module Internal Trimmer circuit / Remote Programming Resistor Value?
I am looking to incorporate a 45V supply into a design. These PFE1000-48V supplies have a trimming ability to get +/- 20%, based on +/- 20% variable resistor. I am trying to confirm what this resistor ...
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Old potentiometer as a special voltage divider model
In an Adruino-like project that is built to deal with worn potentiometers (trimmer pots inside thumbstick, of alps alpine type), I am noticing a consistent set of input reading patterns among all old, ...
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What would be the ADC reading of a potentiometer whose wiper fails to be in contact with the resistor?
This question is part of an Arduino-ESC project I am building from the software standpoint. Some essential hardware questions tend to pop up every now and then.
I noticed electrical noises in old ...
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Is a resistor trimmer a good idea for adjusting the gain of an op amp circuit?
I'm designing this circuit to measure temperature with PT100.
R10 must be calibrated to obtain the desired gain.
I have thought of using a resistor trimmer to adjust the gain similar to the following:...
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162
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Missing component identification
I have a remote controller whose antenna is de-soldered and it seems there was a capacitor or a resistor (see red circle).
Can anyone help me to understand what component could be the missing one? I ...
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Cannot fine tune Colpitts oscillator with crystal
I'm trying to design a cheap video synthesizer. In order to do it, I need to provide my Arduino Nano with an external clock so it can drive the timer that generates the complex video pulses I need.
...
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Need help identifying and finding similar SMD variable resistor
The component appears to be damaged, but the datasheet for the board in question shows that this is a 47k ohm variable resistor. Looks like a trimmer, but not 100% sure.
However, I've been trying to ...
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TZC3 capacitor restrict area underneath
I am going to use TZC3 family trimmer capacitors from Murata (datasheet, skip to TZC3 section).
It has one of its terminals very close to the mounting surface, and theoretically if rotor is pressed ...
- 7,120
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537
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replacing a 2k resistor with a 1k and trimmer - wiring
I have a question about wiring up a trimmer in this circuit (NE555 - piano module)
I have no background in electronics so please bear with me.
One of the keys in the 'piano' sounds just off tune, so I ...
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Any possibility of dead short in trim pot
I want to add one trimpot of 1K in my ADC board to test several analog channels. I thought of connecting two ends to VCC and GND and middle pin (wiper) to analog input. But I am not sure if I need to ...
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What's the proper name for "annular potentiometer"?
I'm looking for a potentiometer without the shaft. It should be like a ring, in annular shape, so it can be mounted on an existing shaft.
I don't find anything, but I'm afraid I'm not using the ...
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