Name: Wiltron 67 B Series
Brand: Wiltron
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490 JARVIS DRIVE

MORGAN HILL, CA 95037-2809

SERIES

67XXB

SWEPT FREQUENCY SYNTHESIZER

OPERATION MANUAL

P/N: 10370-10202

REVISION: G

PRINTED: MAY 1994

IMPORTANT NOTICE

After turn on, the synthesizer requires one hour of warm up

to assure stable operation. Error codes that are displayed

during this hour may not be the result of actual failures and

should be rechecked at warm up completion by running

self test.

Table of Contents4
Paragraph Title Page5
Table 1-4. Recommended Test Equipment8
Figure 1-1. Typical Series 67XXB Swept Frequency Synthesizer9
Section I - General Information10
Scope of the Manual10
Introduction10
Identification Number10
Related Manuals10
Description10
Table 1-1. Test and Calibration Manual Part Numbers10
Options11
Performance Specifications11
Recommended Test Equipment11
Table 1-2. Series 67XXB Models11
Introduction20
Initial Inspection20
Preparation for Use20
Gpib Setup and Interconnection20
2-4.1 Interface Connector21
2-4.2 Cable Length Restrictions21
GPIB Interconnection21
GPIB Address21
GPIB Interconnections21
2-4.5 Data Delimiting (CR-CR/LF)22
Preparation for Storage And/Or Shipment22
2-5.1 Preparation for Storage22
2-5.2 Preparation for Shipment22
Table 2-1. WILTRON Service Centers23
Figure 3-1. Front Panel, 67XXB Swept Frequency Synthesizer25
Introduction26
Getting Started26
3-2.1 Front Panel Layout26
3-2.2 General Instrument Control26
3-2.3 Operating the Frequency, Sweep, and Trigger Functions26
Table 3-1. RESET (Default) Parameters27
3-2.4 Entering Data29
Figure 3-2. Increasing a Parameter Using the INCREASE DECREASE Knob30
3-2.5 Setting Level and Modulation31
Figure 3-3. External Gain Calibrate Procedure35
Using the RF LEVEL Function36
Using Stored Setups38
3-2.8 Monitoring the Output39
3-2.9 Controlling and Monitoring GPIB Status39
Front Panel Description39
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 Keys40
Figure 3-6. FREQ ENTRY Keys40
3-3.3 SWEEP and TRIGGER Keys and Indicators (Figure 3-7)41
Figure 3-7. SWEEP and TRIGGER Keys and Indicators41
3-3.4 DATA ENTRY Keys, Indicators, and Control (Figure 3-8)43
Figure 3-8. DATA ENTRY Keys Indicators and Control43
MODULATION and AM/FM Keys and MODULATION Connectors (Figure 3-9)44
Figure 3-9. MODULATION and EXT AM/FM Keys and MODULATION Connectors44
MEASURE Key and Indicator (Figure 3-10)45
Figure 3-10. MEASURE Key and Indicator45
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 Connector46
Figure 3-12. RF LEVEL Keys and Indicators46
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 LEVEL48
3-3.12 GPIB Indicators and BUS ADRS/ RETURN to LCL Key (Figure 3-16)49
Self-Test Feature49
Rear Panel Description49
Figure 3-17. Pinout Diagram for aux I/O Connector50
Figure 3-18. Rear Panel, 67XXB Series Swept Frequency Synthesizers51
Figure 4-1. Interface Connections and GPIB Bus Structure54
Introduction55
4-2.1 Data Bus Description55
4-2.2 Management Bus Description55
Description of the Ieee-488 (Iec-625) Interface Bus55
4-2.3 Data Byte Transfer Control (Handshake) Bus Description56
Gpib Operation56
Command Codes, Description56
4-4.1 Command Codes: Inputting Restrictions and Notes56
Figure 4-2. Typical Handshake Operation56
Table 4-2. Command Code Classes58
Command Codes: Parameter and Data Entry59
Table 4-4. Data Entry Commands60
4-4.3 Command Codes: CW Frequency61
Figure 4-3. Using the SYZ (Size) Command61
4-4.4 Command Codes: Analog and Digital Sweep62
Figure 4-4. Example of a CW Frequency Command62
Table 4-5. CW Frequency Commands62
Table 4-6. Analog and Digital Sweep Commands63
Figure 4-4A Programming Example, DU165
4-4.5 Command Codes: Frequency Marker66
Command Codes: Modulation Commands66
Command Codes: Output Power Leveling66
Figure 4-5. Example of a Sweep Command66
Table 4-7. Frequency Marker Commands66
Command Codes: Output66
Figure 4-6. Example of Frequency Marker Programming67
Table 4-8. Modulation Commands67
Table 4-9. Power Leveling Commands68
Figure 4-7. Example of Power Level Programming69
4-4.8 Command Codes: Output71
Table 4-10. Measure Function Commands71
Table 4-11. Output Commands71
Figure 4-8. Example of Output Command Programming72
4-4.9 Command Codes: Stored Setup73
Table 4-12. Stored Setup Commands73
4-4.10 Command Codes: Service Request (SRQ) and Status Byte74
Table 4-13. Service Request (SRQ) Commands74
Figure 4-9. Status Bytes75
4-4.12 Command Codes: Group Execute Trigger Mode76
Figure 4-10 Status Byte Mask76
Table 4-15. Group Execute Trigger Commands77
4-4.13 Command Codes: Fast Frequency78
4-4.14 Command Codes: Self Test78
4-4.15 Command Codes: Miscellaneous78
Table 4-16. Fast-Frequency-Switching Commands78
Table 4-17. Self Test Commands78
Table 4-18. Miscellaneous Commands79
Bus Messages, Synthesizer Response to80
Program Errors81
Table 4-20. Methods of Generating Bus Commands81
Reset Programming and Default Conditions82
Programming Examples82
Table 4-21. Resetting the 67XXB GPIB Interface Circuits82
Figure 4-11. Reset Programming Statements83
Figure 4-12. Test Equipment Setup for Runing GPIB Program Examples83
Table 4-22. Using the Output Identify Command84
Table 4-23. Controlling CW Frequency/Parameter Entries85
Table 4-24. Controlling Power Level and Power Sweep86

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General

Brand	Wiltron
Model	67 B Series
Category	Test Equipment
Language	English

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