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The RX small preamp is very simply low noise preamplifier module with 2SC5551 transistor based on W7IUV design. Use it as high IP preamplifier for RX antennas, buffer amplifier or small driver.
This RX small preamp with 2SC5551 is a very useful device based on W7IUV design. You can use it as high IP preamplifier for RX antennas, buffer amplifier or small driver. Gain is up to 18dB and there is also built in variable ATT. You can easy set gain as high as you need! Amplifier has got low noise - lower than 2 dB up to 50 MHz and around 2.2 dB at 150 MHz. As well you can set right transistor bias with multi turn potentiometer. Two relays offer bypass switching if there is no power supply.
KIT with BOX: all parts + PCB
KIT: all parts + PCB - KIT VERSION
ASSEMBLED with BOX: ready to use - ASSEMBLED VERSION
ASSEMBLED: ready to use - ASSEMBLED VERSION
If you want to know more please check our wiki with RX small preamp with 2SC5551 in BOX manual.
Gain 10 dB 0.5 MHz to 50 MHz
Gain 15 dB 0.5 MHz to 50 MHz
Gain 18 dB 0.5 MHz to 50 MHz
Bypass 0.5 MHz to 50 MHz
Data sheet
Specific References
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