Cubic Communications CDR-3250 - Page 6

CDR-3250/80 TECHNICAL MANUAL
Issue 2.2 iii
TABLE OF CONTENTS - Cont.
Chapter Page Chapter Page
Section II. REMOTE CONTROL...... 3-46
3-8 REMOTE OPERATION USING
SERIAL BUS. ......................
3-46
3-8.1 Serial Bus Description ....... 3-46
3-8.2 Serial Bus Message Format ... 3-46
3-8.3 Serial Bus Message Types .... 3-46
3-8.3.1 Serial Bus Command Messages 3-46
3-8.3.1.1 Serial Bus Radio Command
Messages ................. 3-46
3-8.3.1.2 Serial Bus Interface Command
Messages .................
3-46
3-8.3.2 Serial Bus Status Messages ... 3-46
3-8.3.2.1 Serial Bus Radio Status
Messages .................
3-46
3-8.3.2.2 Serial Bus Interface Status
Messages .................
3-48
3-8.4 Serial Bus Message Protocol .. 3-48
3-8.4.1 Serial Bus Normal Mode ..... 3-48
3-8.4.2 Serial Bus Acknowledge Mode 3-48
3-8.4.3 Serial Bus Independent Mode . 3-48
3-8.5 Line Driver Operation ....... 3-48
3-8.6 Broadcast Address .......... 3-48
3-8.7 Serial Bus Message Definition . 3-48
3-9 REMOTE OPERATION USING
IEEE-488 BUS. ......................
3-68
3-9.1 IEEE-488 Bus Description .... 3-68
3-9.2 Device Capabilities ......... 3-68
3-9.3 Talking and Listening ....... 3-68
3-9.4 SRQ and Serial Poll Response . 3-70
3-9.5 Device Clear And Selected
Device Clear Response ......
3-70
3-10 POWER UP AND TESTING
CONSIDERATIONS .................
3-70
3-11 EEPROM CLEARING................ 3-71
4 GENERAL THEORY OF
OPERATION................... 4-1
4-1 INTRODUCTION ..................... 4-1
4-2 BLOCK DIAGRAM DISCUSSION. ....... 4-1
4-2.1 AC Receptacle /RFI Filter ...... 4-1
4-2.2 AC Line Filter ............... 4-1
4-2.3 Power Supply Module ......... 4-1
4-2.4 RF Analog Module ............ 4-1
4-2.4.1 Preselector .................. 4-1
4-2.4.2 First Mixer .................. 4-1
4-2.4.3 First IF Gain Control ......... 4-1
4-2.4.4 First LO Driver .............. 4-1
4-2.4.5 Second Mixer ................ 4-2
4-2.4.6 Second LO .................. 4-2
4-2.4.7 Third Mixer ................. 4-2
4-2.4.8 Third LO ................... 4-2
4-2.5 Synthesizer Module ........... 4-2
4-2.5.1 Control ..................... 4-2
4-2.5.2 Reference Frequency .......... 4-2
4-2.5.3 1st LO Generation ............ 4-2
4-2.5.4 2nd/3rd LO REF Generation .... 4-3
4-2.5.5 Audio ...................... 4-3
4-2.6 Digital Module. .............. 4-3
4-2.6.1 Control Section .............. 4-3
4-2.6.2 DSP Section ................. 4-4
4-2.7 Serial Bus (Optional) .......... 4-5
4-2.7.1 Serial Bus Remote Interface Board 4-5
4-2.7.2 Serial Bus Cable Assembly ..... 4-5
4-2.8 IEEE-488 Bus (Optional) ....... 4-5
4-2.8.1 IEEE-488 Remote Interface Board 4-5
4-2.8.2 IEEE-488 Cable Assembly ...... 4-5
4-2.9 Front Panel ................. 4-5
4-2.10 Main Adjustment Knob ........ 4-6
4-2.11 Keypad Board ............... 4-6
4-2.12 Display Module .............. 4-6
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