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Preamp BOX with 2N5109

Preamp BOX with 2N5109

RX preamplifier with variable gain, protections and power over coax.

Using

High IP RX preamplifier - RX antennas
Buffer amplifier
Driver amplifier

Main functions

Broadband: 0.1 MHz to 30 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
Front-end diode protection - ON/OFF by jumpers
Power over coax with the Bias Tee BOX
You can set transistor bias as you need by trimmer
High quality relays with TWO contact parallel
High quality connectors
IP56 box - recommended to protect it against water
Feeder size 100x100 mm
ASSEMBLED AND TESTED VERSION

Parameters

Supply voltage 12 - 15 V
Power directly or over the coax - bias tee - voltage 12 - 15 V
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

Available as

ASSEMBLED: ready to use
ASSEMBLED SMD version: ready to use - ASSEMBLED VERSION (only PL connector)
KIT: all parts + PCB and IP56 box - KIT VERSION
Connectors: PL SO-239 or F
PCB: only PCB

Included in package

Preamp assembled and tested

Manual

If you want to know more please check our wiki with Preamp Box manual.

version with F connectors

RX Preamp BOX with Bias Tee BOX

bias tee box dc with rx preamp box qro.cz hamparts.shop

Gain 50 kHZ to 1 MHz

measure rx preamp box qro.cz hamparts.shop

Gain 1 MHz to 70 MHz

Input SWR, S11

RX small preamp with 2SC5551

55.66 € (tax incl.)

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.

RX small preamp with 2SC5551 in BOX

61.71 € (tax incl.)

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.

Preamp module with 2N5109

61.71 € (tax incl.)

Small RX preamplifier module with 2N5109, bypass and variable gain.

RX small preamp with 2SC5551 KIT

42.35 € (tax incl.)

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.

RX small preamp with 2SC5551 in BOX KIT

49.61 € (tax incl.)

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.

Preamp BOX with 2N5109 SMD

90.75 € (tax incl.)

RX preamplifier with variable gain, protections and power over coax.

Bias Tee BOX AC/DC SMD

76.23 € (tax incl.)

A bias tee is used to insert AC or DC power into an HF signal to power remote antenna preamplifiers (DC), Bi-directional beverages (AC) or other devices.

Bias Tee BOX DC SMD

75.02 € (tax incl.)

A bias tee is used to insert DC power into an HF signal to power remote antenna amplifiers or other devices.

Bias Tee BOX DC KIT

43.56 € (tax incl.)

A bias tee is used to insert DC power into an HF signal to power remote antenna amplifiers or other devices.

Preamp BOX with 2N5109 KIT

50.82 € (tax incl.)

RX preamplifier with variable gain, protections and power over coax.

Preamp module with 2N5109 KIT

36.30 € (tax incl.)

Small RX preamplifier module with 2N5109, bypass and variable gain.

Bias Tee BOX AC/DC KIT

43.56 € (tax incl.)

A bias tee is used to insert AC or DC power into an HF signal to power remote antenna preamplifiers (DC), Bi-directional beverages (AC) or other devices.

PCB for Bias Tee BOX AC/DC

16.94 € (tax incl.)

A bias tee is used to insert AC or DC power into an HF signal to power remote antenna preamplifiers (DC), Bi-directional beverages (AC) or other devices.