MLAB
Module
mlab mlab-module kicad kicad-pcb kicad-project mlab-kicad pcb

QFHMIX01

QFH active antenna analog front end and down converter

This is an open-source hardware design, one of the modules from the MLAB labolatory system.

QFHMIX01 - QFH active antenna mixer

The module was designed to solve the issue of connecting the QFH antenna (which has two orthogonally-phased outputs) to an SDR receiver.

QFHMIX01D board bottom

Parameters

Parameter Value Description
Frequency range 100 - 1000 MHz
Noise Figure 4.75 dB For 430 MHz
Total Gain 31.6dB 23.5 dBm IIP3
Interface IDC381-8-110 KRONE Punch down block
Operating and storage temperature -20 - +30°C
Operational input voltage 9 - 14.8 V Internally stabilized to +5V and +3V