Miteq D-9301 Manual de usuario

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

- iv -

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

Summary

Alarm Address

Select

Local Oscillator

Test Points

DC Voltage

Test Points

Ground

Lug J7

Redundant

Switching J6

Remote

Interface

IF Output J1

RF Input

1-3

Figure 1-2. Rear View, D-9301 Downconverter

#3805

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