Voltage Controlled Audio Attenuator

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Voltage-Controlled Attenuator (Volume Control) Using FET ...

https://freecircuitdiagram.com/4656-voltage-controlled-attenuator-volume-control-using-fet/

Using the circuit shown in the schematic diagram below, we can control the low-level audio signals with ±3V variable DC voltage. This attenuator circuit uses a field effect transistor (FET) to shunt the signal to ground. The R2 is used to control …

Voltage Controlled Attenuator - EEWeb

https://www.eeweb.com/voltage-controlled-attenuator/

RFMD’s RFSA3023 is a fully monolithic analog voltage controlled attenuator (VCA) featuring exceptional linearity over a minimum temperature …

Voltage Controlled Variable Attenuators | Eravant ...

https://www.eravant.com/products/attenuators/voltage-controlled-variable-attenuators

Voltage Controlled Variable Attenuators SKA-1832732537-KFKF-A1-M 18 to 26.5 GHz, 37 dB Attenuation, 2.92 mm (F) RF Ports, SMA (F) Control Port, K-Band Electrical Attenuator

Voltage Variable Attenuators - Analog Devices

https://www.analog.com/en/products/rf-microwave/attenuators/voltage-variable-attenuators.html

Voltage Variable Attenuators. Analog Devices voltage variable attenuators (VVAs) ensure accurate control for a wide range of applications. Our absorptive VVAs are ideal for designs where an analog dc control signal controls RF signals levels over a 30 dB amplitude range, while our monolithic VVAs feature low insertion loss, high IP3, and wide dynamic range, as well as a …

How can I make a simple voltage-controlled attenuator?

https://electronics.stackexchange.com/questions/84372/how-can-i-make-a-simple-voltage-controlled-attenuator

It must be able to attenuate the input anywhere from a gain of 1 down to a gain of about 0.25 (to get, say, a 15V input well within the 0-5V ADC range) The range of controlling voltages must also be within 0-5V. Furthermore, the range cannot be too small, since the Arduino can only select 256 values between 0-5V.

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