Watkins-Johnson Company WJ-8711A, Installation, Operation And Maintenance Manual

Page: 17 / 261

WJ-8711A DIGITAL HF RECEIVER TABLE OF CONTENTS
xvii
TABLE OF CONTENTS (Continued)
LIST OF ILLUSTRATIONS
Figure Page
1-1
WJ-8711A HF Receiver ........................................................................................... 1-0
2-1 Installation of Jonathan Type 110QD-16-2 Slide Mounts ....................................... 2-2
2-2 Installing the Mounting Feet for Table Top Operation............................................ 2-3
2-3 WJ-8711A Rear Panel .............................................................................................. 2-4
2-4 Locating and Setting Configuration DIP Switches A2S1 and A2S2 ....................... 2-9
2-5 Examples of Set DIP Switches A2S1 and A2S2 ...................................................... 2-10
4-1 Receiver Status Data Structure................................................................................. 4-20
5-1 Recommended Controller Setup .............................................................................. 5-2
5-2 Composition of One Byte of Serial Data ................................................................. 5-4
5-3 Format of Typical Command Message Packet......................................................... 5-4
5-4 Format of ACK and NAK Messages........................................................................ 5-5
5-5 Tuned Frequency Command Format Without Acknowledge .................................. 5-8
5-6 Tuned Frequency Command Format With Acknowledge........................................ 5-8
5-7 Tuned Frequency Request Response Format ........................................................... 5-9
5-8 Tuned Frequency Range Request Response Format................................................ 5-10
5-9 Detection Mode/IF Bandwidth Command Format Without Acknowledge ............. 5-10
5-10 Detection Mode/IF Bandwidth Command Format With Acknowledge................... 5-11
5-11 Detection Mode/IF Bandwidth Request Response Format ...................................... 5-12
5-12 Gain Control Mode Command Format .................................................................... 5-12
5-13 Gain Control Mode Request Format ........................................................................ 5-13
5-14 Manual Gain Level Command Format..................................................................... 5-13
5-15 Manual Gain Level Request Format ........................................................................ 5-14
5-16 BFO Frequency Command Format .......................................................................... 5-14
5-17 BFO Frequency Request Response Format.............................................................. 5-15
5-18 RF Input Path Command Format ............................................................................. 5-16
5-19 RF Input Path Request Response Format................................................................. 5-16
5-20 Device Control Mode Command Format ................................................................. 5-17
5-21 Device Control Mode Request Response Format .................................................... 5-17
5-22 Jammer Code............................................................................................................ 5-18
6-1 Digital HF Receiver Functional Block Diagram...................................................... 6-0
6-2 Type 797006-1 RF Assembly Block Diagram ......................................................... 6-3
6-3 Type 797214-1 Digital Assembly Functional Block Diagram................................. 6-7
6-4 Type 797015-1 Front Panel Assembly Functional Block Diagram ......................... 6-11
7-1 Power Consumption Performance Test Equipment Connection.............................. 7-3
7-2 Front Panel Test Equipment Connections................................................................ 7-4
7-3 Reference Frequency Timebase Accuracy
Performance Test Equipment Connection................................................................ 7-5
7-4 Fine Tuning Accuracy Performance Test Equipment Connection........................... 7-6
7-5 Receiver Sensitivity Performance Test Equipment Connection .............................. 7-8
7-6 Audio Distortion Performance Test Equipment Connection ................................... 7-11
7-7 Squelch/Mute Performance Test Equipment Connection ........................................ 7-13
Courtesy of http://BlackRadios.terryo.org