Miteq D-9301 User manual
Ref.: XXXXX
OPERATION AND MAINTENANCE MANUAL
FOR
D-9301 DOWNCONVERTER
AUGUST 2004
CUSTOMER
MAXXXXXD
114087F
Rev.B
- ii -
NOTE
The suffix XXXXX following part numbers in this manual is a
unique number assigned at time of order.
This number should be referred to in all correspondence and all
referrals to spare parts.
The reference number is XXXXX.
The D-9301 (9300 Series) Downconverter (MITEQ reference XXXXX)
has been supplied with the following options:
A. AC Power: XXX VAC
- iii -
TABLE OF CONTENTS
SECTION 1
INTRODUCTION
Para. Page
1.1 GENERAL DESCRIPTION . . . . . . . . . . . . . . . . 1-1
1.1.1 PHYSICAL . . . . . . . . . . . . . . . . . . 1-1
1.1.2 FUNCTIONAL . . . . . . . . . . . . . . . . . 1-5
1.2 EQUIPMENT CHARACTERISTICS . . . . . . . . . . . . . 1-6
1.2.1 PHYSICAL . . . . . . . . . . . . . . . . . . 1-6
1.2.2 FUNCTIONAL . . . . . . . . . . . . . . . . . 1-7
1.3 EQUIPMENT REQUIRED . . . . . . . . . . . . . . . . 1-10
1.3.1 EQUIPMENT SUPPLIED . . . . . . . . . . . . . 1-10
1.3.2 EQUIPMENT REQUIRED BUT NOT SUPPLIED . . . . 1-10
SECTION 2
INSTALLATION
2.1 UNPACKING, STORAGE, RESHIPMENT . . . . . . . . . . 2-1
2.2 MOUNTING . . . . . . . . . . . . . . . . . . . . . 2-1
2.3 TURN-ON PROCEDURE . . . . . . . . . . . . . . . . . 2-1
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TABLE OF CONTENTS (Cont.)
SECTION 3
OPERATION
Para. Page
3.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . 3-1
3.2 CONTROLS . . . . . . . . . . . . . . . . . . . . . 3-1
3.2.1 EXTERNAL CONTROLS . . . . . . . . . . . . . 3-1
3.2.2 INTERNAL CONTROLS . . . . . . . . . . . . . 3-3
3.3 OPERATING PROCEDURE . . . . . . . . . . . . . . . . 3-4
3.3.1 LOCAL OPERATION . . . . . . . . . . . . . . 3-4
3.3.1.1 Set Frequency . . . . . . . . . . . . . 3-4
3.3.1.2 Channel Memory . . . . . . . . . . . . . 3-4
3.3.2 REMOTE OPERATION . . . . . . . . . . . . . . 3-5
3.3.2.1 RS422/RS485 Protocol . . . . . . . . . . 3-5
3.3.2.2 Data Transfer . . . . . . . . . . . . . 3-6
3.3.2.2.1 Header Byte . . . . . . . . . . . . 3-6
3.3.2.2.2 Device Address Byte . . . . . . . . 3-6
3.3.2.2.3 Command/Error Codes . . . . . . . . 3-6
3.3.2.2.4 Parameter Bytes . . . . . . . . . . 3-7
3.3.2.2.5 Trailer Byte . . . . . . . . . . . 3-7
3.3.2.2.6 Checksum Byte . . . . . . . . . . . 3-7
3.3.2.3 Command Codes . . . . . . . . . . . . . 3-7
3.3.2.3.1 Frequency Code = F . . . . . . . . . 3-7
3.3.2.3.2 Mute Code = M . . . . . . . . . . . 3-7
3.3.2.3.3 Status All Code = A . . . . . . . . 3-8
3.3.2.3.4 Status Faults Code = ? (Optional) . 3-8
3.3.2.4 Device Address/Baud Rate Selection . . . 3-9
3.3.2.5 Programming Examples . . . . . . . . . . 3-9
3.3.2.6 Remote Interface Connector . . . . . . . 3-10
3.3.2.7 RS422/485 Bus Termination . . . . . . . 3-11
3.3.2.8 Contact Closure Control . . . . . . . . 3-11
- v -
TABLE OF CONTENTS (Cont.)
SECTION 3
OPERATION
Para. Page
3.3.2 REMOTE OPERATION Cont'd.
3.3.2.9 IEEE 488 Control . . . . . . . . . . . . 3-11
3.3.2.9.1 Device Address/Service Request Enable 3-11
3.3.2.9.2 Data Input Messages . . . . . . . . 3-11
3.3.2.9.2.1 Frequency Set . . . . . . . . . 3-11
3.3.2.9.2.2 Mute . . . . . . . . . . . . . . 3-12
3.3.2.9.2.3 Set/Store Frequency in Channel nn 3-12
3.3.2.9.2.4 Recall Frequency from Channel nn 3-12
3.3.2.9.2.5 Data Format . . . . . . . . . . 3-12
3.3.2.9.2.6 Frequency Format . . . . . . . . 3-12
3.3.2.9.2.7 Status Faults Format . . . . . . 3-13
3.3.2.9.2.8 Status All Format . . . . . . . 3-13
3.3.2.9.2.9 Channel Format . . . . . . . . . 3-13
3.3.2.9.2.10 Service Request . . . . . . . . 3-14
3.3.3 EMERGENCY OPERATION . . . . . . . . . . . . 3-14
3.3.4 SHUTDOWN PROCEDURE . . . . . . . . . . . . . 3-14
- vi -
TABLE OF CONTENTS (Cont.)
SECTION 4
PRINCIPLES OF OPERATION
4.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . 4-1
4.2 FUNCTIONAL DESCRIPTION . . . . . . . . . . . . . . 4-1
4.3 SUBSYSTEMS AND COMPONENTS FUNCTIONAL DESCRIPTION . 4-5
4.3.1 SIGNAL PATH . . . . . . . . . . . . . . . . 4-5
4.3.1.1 Input Filter, Isolators
(A2A1, A2A2, A2A3) . . . . . . . . . . 4-5
4.3.1.2 Mixer, First Conversion (A2A4) . . . . . 4-6
4.3.1.3 Amplifier, Isolator, Filter
(A2A5 to A2A7) . . . . . . . . . . . . 4-7
4.3.1.4 Downconverter Module (A2A8) . . . . . . 4-9
4.3.2 LOCAL OSCILLATOR . . . . . . . . . . . . . . 4-10
4.3.2.1 5 MHz Reference (A3A1) . . . . . . . . . 4-10
4.3.2.2 Frequency Synthesizer (A3A2) . . . . . . 4-11
4.3.2.3 1170 MHz Phase Locked Source (A3A6) . . 4-12
4.3.3 CONVERTER CONTROLLER . . . . . . . . . . . . 4-14
4.3.4 POWER SUPPLY, LOW PASS FILTER . . . . . . . 4-15
SECTION 5
MAINTENANCE
5.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . 5-1
5.2 PREVENTIVE MAINTENANCE . . . . . . . . . . . . . . 5-1
5.2.1 DC VOLTAGE . . . . . . . . . . . . . . . . . 5-1
5.2.2 GAIN OF THE CONVERTER . . . . . . . . . . . 5-3
5.2.3 FREQUENCY MEASUREMENT . . . . . . . . . . . 5-3
5.2.4 LOCAL OSCILLATOR PHASE LOCK TEST POINT
(PHASE VOLTAGE) . . . . . . . . . . . . . 5-3
5.3 CORRECTIVE MAINTENANCE . . . . . . . . . . . . . . 5-4
5.3.1 POWER SUPPLY MALFUNCTION . . . . . . . . . . 5-4
5.3.2 LOCAL OSCILLATOR . . . . . . . . . . . . . . 5-4
5.3.3 CONVERTER, SIGNAL CHAIN . . . . . . . . . . 5-4
- vii -
TABLE OF CONTENTS (Cont.)
SECTION 6
DIAGRAMS
Para. Page
6.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . 6-1
TABLES
Number Page
1-1 Equipment Supplied . . . . . . . . . . . . . . . . 1-10
1-2 Test Equipment Required But Not Supplied . . . . . 1-10
2-1 External Connections . . . . . . . . . . . . . . . 2-2
5-1 Parts List - D-9301 Downconverter . . . . . . . . 5-5
6-1 List of Diagrams . . . . . . . . . . . . . . . . . 6-1
FIGURES
1-1 Front View, D-9301 Downconverter . . . . . . . . . 1-2
1-2 Rear View, D-9301 Downconverter . . . . . . . . . . 1-3
1-3 Interior View, D-9301 Downconverter . . . . . . . . 1-4
3-1 Front Panel Layout, 9300 Series Converter . . . . . 3-2
3-2 RS422/RS485 Bus Termination Jumpers, 9300 Series
Converter . . . . . . . . . . . . . . . . . . . . 3-15
4-1 Block Diagram, D-9301 Downconverter . . . . . . . . 4-2
4-2 Block Diagram, 1170 MHz Phase Lock Source (A3A6) . 4-13
5-1 Test Setup for Gain, Gain Ripple and Frequency
Response Measurement . . . . . . . . . . . . . . 5-2
DIAGRAMS
6-1 Wiring Diagram . . . . . . . . . . . . . . . . . . 6-2
6-2 Schematic Diagram, Converter Controller 9300 Series 6-11
6-3 Assembly Diagram, Converter Controller 9300 Series 6-12
APPENDIX
A Power Supply Manual (FS05-113) . . . . . . . . . . 6-14
1-1
SECTION 1
INTRODUCTION
1.1 GENERAL DESCRIPTION
1.1.1 PHYSICAL
The physical configuration of the D-9301 Downconverter is shown
in Figures 1-1 through 1-3. The main chassis houses all RF
components, control circuitry and power supplies.
The converter chassis is 19" x 22" x 3.5" panel height. Slides
are provided for mounting in a standard 19" (EIA) equipment rack.
The following items are found on the front of the converter:
A. On/Off Power Switch (A1A2)
B. LO Out-of-Lock LEDs
C. Memory, Store Key
D. Memory, Recall Key
E. Display
F. Gain Adjustment Potentiometer
G. Data Entry Keypad
H. Remote Mode Select Key
The following items are found on the rear of the converter:
A. RF Input Connector (J1)
B. IF Output Connector (J2)
C. Summary Alarm Connector (J3)
D. Remote Interface Connector (J6)
E. Redundancy Switch Connector (J7)
F. Address Select Switch
G. AC Voltage Input
H. Fuse, 2.0A for 120VAC, 1.0A for 220VAC
I. Fan (A1A5)
Display
Local Oscillator
Out-of-Lock Alarms
Data
Entry
Keypad
Memory
Store
Memory
Recall
Gain
Adjust
Potentiometer
Remote
Mode
Select
A1A2
AC Power
On/Off
Switch
1-2
#3805
Figure 1-1. Front View, D-9301 Downconverter
A1A1
AC Voltage
Input/Fuse
A1A5
Fan
J3
Summary
Alarm Address
Select
Local Oscillator
Test Points
DC Voltage
Test Points
Ground
Lug J7
Redundant
Switching J6
Remote
Interface
J2
IF Output J1
RF Input
1-3
Figure 1-2. Rear View, D-9301 Downconverter
#3805
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