89.54 €
(tax incl.)
RX preamplifier with variable gain, protections and power over coax.
PCB for Preamp module with 2N5109
Small RX preamplifier module with 2N5109, bypass and variable gain.
16.94 €
(tax incl.)
16.94 €
14.00 € (without tax)
14.00 € (without tax)
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This PCB for simply RX Preamplifier module with 2N5109 transistor is based on W7IUV design. You can use it as high IP preamplifier, buffer amplifier or small driver. Gain is up to 18 dB and there is also build in variable ATT. You can easy set the gain as high as you need! As well you can set right transistor bias with multi turn potentiometer. Two relays offer bypass switching if there is no power supply.
Using
- High IP RX preamplifier - RX antennas
- Buffer amplifier
- Driver amplifier
Main functions
- Broadband: 0.1 MHz to 60 MHz
- Very high IP3
- Gain up to 18 dB
- High output power up to 26 dBm
- Variable ATT for gain 0 to 18 dB
- Bypass relays
- You can set transistor bias as you need by trimmer
- ONLY PCB
Parameters
- Supply voltage 12 - 14 V ⚠ HIGHER SUPPLY VOLTAGE NEEDS COOLING AND RESISTORS TO RELAYS
- Supply current up to 180 mA include relays!
- Gain up to 18 dB
- REAL IP3 37 dBm for 18 V / 90 mA - more info on my BLOG
- PCB size 50x50 mm
- Designed for SMA connectors
Available as
KIT: all parts + PCB - KIT VERSION
ASSEMBLED: ready to use - ASSEMBLED VERSION
Manual
If you want to know more please check our wiki with Preamp module manual.
example of assembled PCB
Gain 50 kHZ to 1 MHz
 |
Gain 1 MHz to 70 MHz
 |
Input SWR, S11
 |
Data sheet
- type
- ONLY PCB
- design
- bare pcb
- usage
- RX
- impedance
- both 50 & 75 Ohm
- front-end protection
- none
- frequency range
- 0.1 MHz to 60 MHz
- PCB dimensions
- 50x50 mm
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