Guildline 7620 Manuals

Manuals and User Guides for Guildline 7620. We have 1 Guildline 7620 manual available for free PDF download: Technical Manual

Guildline 7620 Technical Manual (85 pages)

Wideband Transconductance Amplifier

Brand: Guildline | Category: Amplifier | Size: 1 MB

Table of Contents
5
Introduction
11
Scope
11
General Description
11
General Theory of Operation
11
General Design Approach
13
7620 Features
16
Compliance Voltage Display
16
Frequency Monitor
16
4-Wire Input Buffer Amplifier
17
Output Current-Cell Array
17
Ieee-488 Interface (Cpu)
17
Overload Protection
17
Specifications
19
Operating Instructions
26
Installation
26
Rackmount Feature
26
Recommended Practice
26
Front Panel Indicators
27
Display Window
29
100 Khz INDICATOR
29
Mhz INDICATOR
29
Front Panel Controls
29
Power Switch
29
Overload Switch
29
Momentary Switch
30
200 Μa MOMENTARY SWITCH
30
Ma MOMENTARY SWITCH
30
Momentary Switch
31
Remote Momentary Switch
31
Rear Panel Controls
31
Line Voltage Selection Switch
32
Gpib Address Selection Switch
35
Front Panel Input Connectors
35
Hi Input Terminal
36
Lo Input Terminal
36
I+ Input Terminal
36
Input Guard Terminal
36
Ground Terminal
37
Front Panel Output Connectors
37
Output Guard Terminal
37
Output Connector
37
Rear Panel Connectors
38
Gpib Data Connector
38
Power Inlet Connector
38
Remote Control
39
Ieee-488/1978 (Gpib) Interface
39
Controller
39
Gpib Responses
40
Interconnecting Cable and Gpib Connector
40
Typical System
40
Gpib Interface
40
Gpib Input Buffering
43
Gpib Output Buffering
44
Gpib Deadlock
44
Gpib Device Clear
44
Command Language
44
General Syntax for Commands
45
General Syntax for Numbers
45
Remote and Local Operation
46
Gpib Commands
47
Ese - Set Status Enable Register
47
Ese? - Event Status Enable Query
49
Esr? - Event Status Register Query
49
Idn? - Identification Query
49
Opc - Operation Complete
49
Opc? - Operation Complete Query
49
Opt? - Report Available Options
49
Rst - Device Reset
50
Sre - Service Request Enable Command
53
Sre? - Service Request Enable Query
53
Stb? - Read Status Byte Query
53
Trg - Group Execute Trigger
53
Tst? - Query Results of Selftest
54
Date - SET the SYSTEM DATE
54
Date? - DISPLAY the 7620 INTERNAL DATE
54
Der? - Device Error Register
55
Dfr? - Device Frequency Register
55
Key? - REPORT LAST KEY PRESSED
57
Key <Keyname> - ENTER a KEYSTROKE
58
Range - SELECT OUTPUT CURRENT RANGE
58
Range? - DISPLAY the CURRENTLY SELECTED RANGE
59
Romchecksum? - DISPLAY the ROM CHECKSUM
59
Since? - DISPLAY the TIME the 7620 was LAST RESET
60
Serial Number - SET the 7620 SERIAL NUMBER
60
Terse - TURN off VERBOSE MODE
60
Time - SET the SYSTEM TIME
61
Time? - DISPLAY the SYSTEM TIME
61
Timezone - SET the OPERATIONAL TIME ZONE
61
Uptime? - DISPLAY HOW LONG the 7620 HAS BEEN RUNNING
62
Verbose - SET VERBOSE MODE
62
Voltage - SELECT the INPUT VOLTAGE RANGE
63
Voltage? - DISPLAY the CURRENT INPUT VOLTAGE RANGE
63
Programming Hints
64
Calibration
65
Calibration Equipment
65
DC Calibration
65
Equipment Set-Up
65
DC Off-Set Current Check
66
DC Off-Set Current Adjustment
66
DC Gain Check
67
DC Gain Adjustment
67
Transconductance
68
Frequency Response
69
Equipment Set-Up
69
Procedure
69
Principles of Operation
70
Introduction
70
Dual Linear Power Supply
70
Dual High-Current Switching Power Supply
71
Cpu Assembly
71
Central Processing Unit
72
Clock Generation
72
Control Signal Generation
72
Address and Data Buffers
72
Memory and Io Address Decoding
72
Interrupt Controller
73
Power Supplies
73
Memory
73
Gpib Interface
73
Optical Interface
74
Front Panel
77
Input Buffer and Differential Driver
77
Input Frequency Range Detector
78
Overload Detect Circuit
78
POSITIVE 200 Μa to 2 a CURRENT-CELL
78
NEGATIVE 200 Μa to 2 a CURRENT-CELL
78
Compliance Voltage Measurement and Display
79
Current-Cell Array
79
Positive Current-Cell
79
Negative Current-Cell
79
Software
80
Troubleshooting and Maintenance
81
Troubleshooting
81
Preventative Maintenance
82
Parts Lists
83
Drawings
85

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