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ELTIM VCA modules

A preamplifier is basically a bunch of connectors, volume control and a buffercircuit. With the modules we present here, we provide these buffercircuits with a built in Voltage Controlled Amplifier (VCA) with exceptional wide ranges and with way lower tolerance than a regular potentiometer can do. Attenuation/gain can be set by a 0-4,8V dc voltage and/or by an SPI controlled dual DAC, depending on the model in 4096/1024/256 steps. By connecting a cheap DVM display module, the dB level can be read as well. All boards listed below are pin and size compatible.
These modules work "stand-alone" but can also be mounted on our Preamp modules.

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ELTIM VCA-2162, 2-channel VCA/buffer module<br />Price per piece

ELTIM VCA-2162, 2-channel VCA/buffer module
Price per piece

-80/+60dB, 0,05%THD, control: 0-4,8Vdc or 216 (SPI) steps of 0,4dB


Available in short notice

€ 79.95
ELTIM VCA-2180C, 2-channel VCA/buffer module<br />Price per piece

ELTIM VCA-2180C, 2-channel VCA/buffer module
Price per piece

-90/+30dB, 0,03%THD, control: 0-4,8Vdc or 256 (SPI) steps of 0,4dB


Production on demand

€ 99.95
ELTIM VCA-2180B, 2-channel VCA/buffer module<br />Price per piece

ELTIM VCA-2180B, 2-channel VCA/buffer module
Price per piece

-90/+30dB, 0,01%THD, control: 0-4,8Vdc or 1024 (SPI) steps of 0,1dB


Production on demand

€ 112.95
ELTIM VCA-2180A, 2-channel VCA/buffer module<br />Price per piece

ELTIM VCA-2180A, 2-channel VCA/buffer module
Price per piece

-90/+30dB, 0,005%THD, control: 0-4,8Vdc or 4096 (SPI) steps of 0,025dB


Production on demand

€ 124.95
ELTIM VCA-2181C, 2-channel VCA/buffer module<br />Price per piece

ELTIM VCA-2181C, 2-channel VCA/buffer module
Price per piece

-90/+30dB, 0,005%THD, control: 0-4,8Vdc or 256 (SPI) steps of 0,4dB


Available in short notice

€ 129.95
ELTIM VCA-2181B, 2-channel VCA/buffer module<br />Price per piece

ELTIM VCA-2181B, 2-channel VCA/buffer module
Price per piece

-90/+30dB, 0,004%THD, control: 0-4,8Vdc or 1024 (SPI) steps of 0,1dB


Available in short notice

€ 144.95
ELTIM VCA-2181A, 2-channel VCA/buffer module<br />Price per piece

ELTIM VCA-2181A, 2-channel VCA/buffer module
Price per piece

-90/+30dB, 0,0025%THD, control: 0-4,8Vdc or 4096 (SPI) steps of 0,025dB


Available in short notice

€ 159.95