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6753B/-10
Wiltron 6753B/-10 Manuals
Manuals and User Guides for Wiltron 6753B/-10. We have
2
Wiltron 6753B/-10 manuals available for free PDF download: Maintenance Manual, Operation Manual
Wiltron 6753B/-10 Maintenance Manual (503 pages)
SWEPT FREQUENCY SYNTHESIZER
Brand:
Wiltron
| Category:
Test Equipment
| Size: 80 MB
Table of Contents
Section I General Information
6
Table of Contents
6
Identification Number
8
Related Manuals
8
Scope of the Manual
8
Description
8
Introduction
8
Options
9
Recommended Test Equipment
13
Section 2
14
2H- 1 Introduction
19
Analog Instruction (al 7 PCB)
24
Circuit Subsystems
24
Frequency Synthesis Subsystem-RF Casting
24
Front Panel Assembly (al and A2 Pcbs)
24
Inputs/Outputs CA27 PCB and P/O A2 9 PCB)
24
Pcbs)
24
2-3.9 RF Microwave Deck
25
Motherboard/Interconnections
25
Pcb)
25
Frequency Sy Nthesis Circuits, Functional Description 2-1
26
FM Modulation
27
RF Outputs 0.0 1 to 60 Ghz
27
Sweep Mode of Operation
27
Alc and Modulation Circuits, Functional Description
28
ALC Loop Operation
28
2-5.2 A13 Pulse Generator PCB Operation
29
2-6.3 Error Codes
36
Hidden-Key Routines
36
System Troubleshooting
36
Troubleshooting Faults that Do Not Produce Error Codes
36
Power Supply
55
Power Supply Assemblies, Overall Description
55
3.1 AC Line and +24V Standby Power Supply Circuits
56
Detailed Circuit Description
56
Power Supply Assemblies, Detailed Description
56
3.3 A25 Switching Power Supply PCB, Detailed Circuit Description
59
3.4 A22 Regulator Interface PCB, Detailed Circuit Description
61
Power Supply (A2 2, A2 5 , A26 Pcbs and P/O A2 8 PCB)
62
Power Supply Assemblies, Service Sheets
62
Power Supply Assemblies, Troubleshooting
62
Digital Control Assemblies, Overall Description
84
6. 3 Shift Registers
93
As Serial 1/0 Pcb, Detailed Circuit Description
93
Multiplexers
93
6. 6 Serial Data Input
94
Ground Return Multiplexer
94
Digital Control Assemblies, Troubleshooting
95
S Digital Control Assemblies, Service Sheets
95
Front Panel Assemblies, Overall Description
112
FRONT PANEL ASSEMBLIES: al and A2 Pcbs
112
. 2 A2 Front Panel Control PCB, General Description
113
3.L Line Switch and Power on Circuits
113
Front Panel Keys
113
. 2 Internal Parallel Data Bus
115
. 5 Knob Amplifier
115
A2 Front Panel Control Pcb, Detailed Circuit Description
115
Display Message Data Latches
115
Keyboard Encoder, Interrupt and Output Circuits
115
Inputs/Outputs Assemblies , Overall Description
137
. L Digital Control Circuits
138
A27 Auxillary Vo Pcb , Detailed Circuit Descripi'ion
138
A29 Rear Panel Interface Pcb, Detailed Circuit Description
138
Microprocessor Interface Circuits
138
External Instrument Interface Circuits
139
ALC Loop VO Interface Circuits
140
Inputs/Outputs Assemblies , Service Sheets 2
140
Inputs/Outputs Assemblies, Troubleshooting
140
Lov Horiz Output Signal Circuits
140
PIN Switch Drivers
140
Step Attenuator and Relay Drivers
140
Reference Loop
159
Reference Loop Assemblies, Overall Description
159
REFERENCE LOOP ASSEMBLIES: A5 , A7 , Alo Pcbs and CRY STAL OSCILLATOR
159
A5 Reference Oscillator , Detailed Circuit Description
160
A7 Reference Divider, Detailed Circuit Description
160
Buffer Amplifiers
160
Loop Amplifier
160
Reference Loop Oscillator
160
. L 500 Mhz Input
161
Divide -By -Five
161
External 10 Mhz Input Circuit
161
Internal 10 Mhz Input Circuit
161
Phase/Frequency Detector
161
Alo REFERENCE BUFFER, DETAILED CIRCUIT DESCRIPTION
162
Buffer Amplifiers
162
Input
162
Reference Loop Assemblies, Service Sheets
162
Reference Loop Assemblies, Troubleshooting
162
2F-Coarse Loop
177
Coarse Loop Assemblies, Overall Description
177
COARSE LOOP ASSEMBLIES: A3 , A4 , and A6 Pcbs
177
. 1 Input Amplifier
178
. 1 Local Oscillator (LO) Input
178
. 2 Loop Amplifier
178
2F-3.2
178
4 0-4 90 Mhz RF Input
178
A3 Coarse Loop M Ixer, Detailed Circuit Description
178
Buffer Amplifiers
181
.3 Coarse Loop Counter Chain Operation
182
10 Mhz Reference Input
183
Coarse Loop Assemblies, Service Sheets
184
Coarse Loop Assemblies, Troubleshooting
184
Notch Filters
184
Fine Loop Assemblies, Overall Description
201
FINE LOOP ASSEMBLIES: A9 and All Pcbs
201
2G-3.1 Loop Amplifier
202
2G-3.2 Linearizer
202
2G-3.3 Voltage-Controlled Oscillator
202
2G-3.4 Output Amplifiers
202
A9 Fine Loop Oscillator, Detailed Circuit Description
202
. 1 10 Mhz Input Circuit
203
. 2 200-3 21 Mhz Fine Loop Input
203
All FINE LOOP DIVIDER, DETAILED CIRCUIT DESCRIPTION
203
Counter Circuits
203
Phase/Frequency Detector
203
Serial Input Circuits
203
. 6 Notch Filters
204
Fine Loop Assemblies, Service Sheets
204
Fine Loop Assemblies, Troubleshooting
204
Analog Instruction Assembly, Overall Description
251
Analog Instruction Assembly: A17 Pcb
251
21-3.1 Microprocessor Bus Interface and Internal Data Bus
252
21-3.2 Ramp Generator
253
Frequency Instruction
256
Power Meter
258
Analog Instruction Assembly, Service Sheets
260
Analog Instruction Assembly, Troubleshooting
260
2.2 FM Coil Driver Circuits
273
2J-2.1 A18-A21 YIG Driver PCB Addressing
273
Introduction
273
.4 Bias Supply Driver Circuits
274
2.3 Main Tuning Coil Driver Circuits
274
YIG DRIVER Pcbs SERVICE SHEETS
275
YIG DRIVER Pcbs TROUBLESHOOTING
275
2K-Alc/Pulse Modulation
286
Overview of ALC Loop Operation
286
A 15 ALC PCB Functional Description 2
290
Detector Preamplifiers 2
290
External ALC Level Circuits 2
290
ALC Comparator and Sample/Hold Circuits 2
293
Detector Shaper Circuit
293
External ALC Gain Cal
293
. 1 2 Detector Thermistor Circuits
294
. Ll Unleveled Logic Circuits
294
A 13 Pulse Generator Pcb Circuit Description
295
Pulse Generator Circuits
295
3.2 Source/Mode Select Control Circuits
296
3.4 A13 PCB Processor Interface Circuits
297
A29 Rear Panel Interface Pcb Circuits Description
297
ALC Control Signal Drive Circuits
297
Pulse Modulation PIN Drivers
297
V/GHZ DAC Circuits
297
5.1 Control Modulators
300
5.2 Switched Filter Module
300
Alc Loop Rf Microwave Dec K Components
300
Alc Pulse Modulation Subsystem Schematics
300
Directional Coupler
300
Main Mux Switch
300
Rf Microwave Deck Assembly, Overall Description
333
Down Converter
337
Frequency Band 5, Circuit Description
337
Frequency Doubler/Amplifier/Modulator
337
RF Output
337
Switched Filter
337
Frequency Band 6, Circuit Description
338
RF Output
338
Rf Microwave Deck Assembly, Service Sheets
339
Rf Microwave Deck Assembly, Troubleshooting
339
. 1 Motherboard/Interconnect Circuits Description
347
Introduction
347
RF Casting Coaxial Cables
348
RF Microwave Deck Interconnections
348
Wiring Harnesses/Ribbon Cables
348
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Wiltron 6753B/-10 Operation Manual (86 pages)
SWEPT FREQUENCY SYNTHESIZER
Brand:
Wiltron
| Category:
Synthesizer
| Size: 0 MB
Table of Contents
Table of Contents
4
Paragraph Title Page
5
Table 1-4. Recommended Test Equipment
8
Figure 1-1. Typical Series 67XXB Swept Frequency Synthesizer
9
Section I - General Information
10
Scope of the Manual
10
Introduction
10
Identification Number
10
Related Manuals
10
Description
10
Table 1-1. Test and Calibration Manual Part Numbers
10
Options
11
Performance Specifications
11
Recommended Test Equipment
11
Table 1-2. Series 67XXB Models
11
Introduction
20
Initial Inspection
20
Preparation for Use
20
Gpib Setup and Interconnection
20
2-4.1 Interface Connector
21
2-4.2 Cable Length Restrictions
21
GPIB Interconnection
21
GPIB Address
21
GPIB Interconnections
21
2-4.5 Data Delimiting (CR-CR/LF)
22
Preparation for Storage And/Or Shipment
22
2-5.1 Preparation for Storage
22
2-5.2 Preparation for Shipment
22
Table 2-1. WILTRON Service Centers
23
Figure 3-1. Front Panel, 67XXB Swept Frequency Synthesizer
25
Introduction
26
Getting Started
26
3-2.1 Front Panel Layout
26
3-2.2 General Instrument Control
26
3-2.3 Operating the Frequency, Sweep, and Trigger Functions
26
Table 3-1. RESET (Default) Parameters
27
3-2.4 Entering Data
29
Figure 3-2. Increasing a Parameter Using the INCREASE DECREASE Knob
30
3-2.5 Setting Level and Modulation
31
Figure 3-3. External Gain Calibrate Procedure
35
Using the RF LEVEL Function
36
Using Stored Setups
38
3-2.8 Monitoring the Output
39
3-2.9 Controlling and Monitoring GPIB Status
39
Front Panel Description
39
3-3.1 SELF TEST or RESET and LINE Keys (Figure 3-5)
40
3-3.2 FREQ ENTRY Keys (Figure 3-6)
40
Figure 3-5. SELF TEST or RESET and LINE Keys
40
Figure 3-6. FREQ ENTRY Keys
40
3-3.3 SWEEP and TRIGGER Keys and Indicators (Figure 3-7)
41
Figure 3-7. SWEEP and TRIGGER Keys and Indicators
41
3-3.4 DATA ENTRY Keys, Indicators, and Control (Figure 3-8)
43
Figure 3-8. DATA ENTRY Keys Indicators and Control
43
MODULATION and AM/FM Keys and MODULATION Connectors (Figure 3-9)
44
Figure 3-9. MODULATION and EXT AM/FM Keys and MODULATION Connectors
44
MEASURE Key and Indicator (Figure 3-10)
45
Figure 3-10. MEASURE Key and Indicator
45
3-3.7 LEVELING or EXT GAIN CAL Key, Indicators, and Connector (Figure 3-11)
46
3-3.8 RF LEVEL Keys and Indicators (Figure 3-12)
46
Figure 3-11. LEVELING or EXT GAIN CAL Key, Indicators, and Connector
46
Figure 3-12. RF LEVEL Keys and Indicators
46
3-3.9 RF Indicators and RF OUTPUT Connector (Figure 3-13)
48
3-3.10 STORED SETUPS Keys (Figure 3-14)
48
3-3.11 FREQUENCY, MODULATION/ TIME, and LEVEL Displays (Figure 3-15)
48
3-3.11 FREQUENCY, MODULATION/ TIME, and LEVEL
48
3-3.12 GPIB Indicators and BUS ADRS/ RETURN to LCL Key (Figure 3-16)
49
Self-Test Feature
49
Rear Panel Description
49
Figure 3-17. Pinout Diagram for aux I/O Connector
50
Figure 3-18. Rear Panel, 67XXB Series Swept Frequency Synthesizers
51
Figure 4-1. Interface Connections and GPIB Bus Structure
54
Introduction
55
4-2.1 Data Bus Description
55
4-2.2 Management Bus Description
55
Description of the Ieee-488 (Iec-625) Interface Bus
55
4-2.3 Data Byte Transfer Control (Handshake) Bus Description
56
Gpib Operation
56
Command Codes, Description
56
4-4.1 Command Codes: Inputting Restrictions and Notes
56
Figure 4-2. Typical Handshake Operation
56
Table 4-2. Command Code Classes
58
Command Codes: Parameter and Data Entry
59
Table 4-4. Data Entry Commands
60
4-4.3 Command Codes: CW Frequency
61
Figure 4-3. Using the SYZ (Size) Command
61
4-4.4 Command Codes: Analog and Digital Sweep
62
Figure 4-4. Example of a CW Frequency Command
62
Table 4-5. CW Frequency Commands
62
Table 4-6. Analog and Digital Sweep Commands
63
Figure 4-4A Programming Example, DU1
65
4-4.5 Command Codes: Frequency Marker
66
Command Codes: Modulation Commands
66
Command Codes: Output Power Leveling
66
Figure 4-5. Example of a Sweep Command
66
Table 4-7. Frequency Marker Commands
66
Command Codes: Output
66
Figure 4-6. Example of Frequency Marker Programming
67
Table 4-8. Modulation Commands
67
Table 4-9. Power Leveling Commands
68
Figure 4-7. Example of Power Level Programming
69
4-4.8 Command Codes: Output
71
Table 4-10. Measure Function Commands
71
Table 4-11. Output Commands
71
Figure 4-8. Example of Output Command Programming
72
4-4.9 Command Codes: Stored Setup
73
Table 4-12. Stored Setup Commands
73
4-4.10 Command Codes: Service Request (SRQ) and Status Byte
74
Table 4-13. Service Request (SRQ) Commands
74
Figure 4-9. Status Bytes
75
4-4.12 Command Codes: Group Execute Trigger Mode
76
Figure 4-10 Status Byte Mask
76
Table 4-15. Group Execute Trigger Commands
77
4-4.13 Command Codes: Fast Frequency
78
4-4.14 Command Codes: Self Test
78
4-4.15 Command Codes: Miscellaneous
78
Table 4-16. Fast-Frequency-Switching Commands
78
Table 4-17. Self Test Commands
78
Table 4-18. Miscellaneous Commands
79
Bus Messages, Synthesizer Response to
80
Program Errors
81
Table 4-20. Methods of Generating Bus Commands
81
Reset Programming and Default Conditions
82
Programming Examples
82
Table 4-21. Resetting the 67XXB GPIB Interface Circuits
82
Figure 4-11. Reset Programming Statements
83
Figure 4-12. Test Equipment Setup for Runing GPIB Program Examples
83
Table 4-22. Using the Output Identify Command
84
Table 4-23. Controlling CW Frequency/Parameter Entries
85
Table 4-24. Controlling Power Level and Power Sweep
86
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