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QFHBAL01
Balun for QFH mix antennas
QFHBAL01A
This is an
open-source hardware
design, one of the modules from the
MLAB
labolatory system.
Description
QFHBAL01 - Antenna interface and balun
Balun
for QFH antennas
Mechanical drawing
Electrical interface
Helices
Feedpoint
Radiation
Polarization
Left-hand
Standard
Upward
RHCP
Right-hand
Anti-standard
Upward
LHCP
Left-hand
Anti-standard
Downward
RHCP
Right-hand
Standard
Downward
LHCP
source
Main Parameters
Polarization configurations: RHCP, LHCP
Insertion Loss 2 dB
Amplitude balance +/- 1 dB
Phase Balance +/- 20 degree (°)
Maximum RF power 250 mW (+23 dBm)
Maximum DC current 30 mA
Operating Temperature -55 °C to +85 °C
Dimensions: 32mm diameter 20mm height (including RF connector)
Weight 10 g