RFX-BRK Issue 1 page 2 of 19
CONTENTS
1 GENERAL SAFETY INFORMATION............................................................................3
1.1 Health & Safety......................................................................................................4
1.2 Maximum RF Power Density Limits.......................................................................5
1.3 Issue Status...........................................................................................................5
2 INTRODUCTION ..........................................................................................................6
3 SPECIFICATIONS........................................................................................................7
3.1 RFX-BRK Transmitter Specifications.....................................................................7
4 FRONT PANEL LAYOUT AND PIN CONNECTIONS ..................................................8
4.1.1 Analogue video (BNC connector) ...................................................................8
4.1.2 Audio Connector.............................................................................................8
4.1.3 Power and Data Connector ............................................................................9
4.1.4 RF O/P ...........................................................................................................9
5 CIRCUIT DESCRIPTIONS .........................................................................................10
5.1 Audio / Video Encoder.........................................................................................10
5.2 COFDM Modulator ..............................................................................................11
5.3 Power Amplifier ...................................................................................................11
5.4 Maintenance of the RFX-BRK .............................................................................11
6 CONFIGURING THE TRANSMITTER........................................................................12
6.1 Status Monitoring.................................................................................................12
6.2 Preset configuration rotary selector switch ..........................................................12
6.3 Remote set-up of the 16 preset configurations....................................................13
7 PREPARING FOR OPERATION................................................................................16
7.1 The RFX-BRK Transmitter ..................................................................................16
7.1.1 Antennas ......................................................................................................16
7.1.2 Transmitter checks .......................................................................................16
7.2 The Receiving Equipment ...................................................................................16
7.3 Transmitter / Receiver tests.................................................................................17
8 Appendix A .................................................................................................................18
Example of 16 Factory pre-sets..................................................................................18
9 Appendix B .................................................................................................................19
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