FlexRadio Systems FLEX-6400, Hardware Reference Manual

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FLEX-6400/FLEX-6600 Hardware Reference Manual
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Copyright 2018 FlexRadio Systems. All Rights Reserved.
9 FHM-X MICROPHONES..................................................................................................... 33
9.1
FHM-2 Specifications ............................................................................................. 33
9.2
Connecting the FHM-2 Microphone ....................................................................... 33
9.3
Best Practices .......................................................................................................... 33
10 TRANSVERTER SETUP ...................................................................................................... 35
10.1
Transmit Power Considerations .............................................................................. 36
10.2
RF Connections - Common IF ................................................................................ 36
10.3
RF Connections - Split IF ........................................................................................ 36
10.4
PTT Connections ..................................................................................................... 36
10.5
Sequencers ............................................................................................................... 36
10.6
Multiple Transverters .............................................................................................. 36
11 DIGITAL MODE SETUP (SOUND CARD INTERFACE) .............................................. 37
12 ANTENNA CONSIDERATIONS ........................................................................................ 39
12.1 Antenna Selection
.................................................................................................. 39
13 ANTENNA TUNER UNIT (ATU) ........................................................................................ 41
13.1
Specifications .......................................................................................................... 41
14 OPTIONAL GPS DISCIPLINED OSCILLATOR (GPSDO) SETUP ............................. 42
14.1 GPSDO Introduction
.............................................................................................. 42
14.2 GPS Antenna Placement
........................................................................................ 42
14.3 GPSDO Lock Sequence and Status Indicators
...................................................... 42
15 CALIBRATION ..................................................................................................................... 44
15.1
Frequency Calibration ............................................................................................. 44
16 KEY CONTACTS .................................................................................................................. 45
16.1
Headquarters / USA ................................................................................................ 45
16.2
Outside of the USA ................................................................................................. 45