Equipment information

Wavetek 1391 Generator
Manufacturer
Wavetek
Model 1391
Date 1992
Category: Measurement instruments
Group Generator
Description 50 MHz VXI Pulse Generator
Information
                                    The Model 1391 is a 1 mHz to 50 MHz "C" size VXI
Programmable Pulse Generator. It can generate single,
double, and delayed pulses with programmable period, width,
delay, rise/fall transitions, and output levels. The
generator operates as a continuous, triggered, gated or
burst pulse source up to 50 MHz. Additionally, the Model
1391 can be programmed for a square wave function (*50% time
symmetry) up to 100 MHz. Pulse characteristics are
programmable with 4 digit resolution, with width and delay
up to 2000 seconds, and rise/fall transition times settable
from 5 ns to 50 |is.
The pulse ouput amplitude may be specified as upper and
lower levels, which can be programmed in a ±16 V window (±8V
into 50Q termination). Peak to peak amplitude, upper level
value minus lower level value, is continuously variable in
10 mV steps from 150 mVp-p to 16 Vp-p (50Q). The pulse
amplitude (upper, lower, or both) may be modulated (PAM)
with an external signal.
Control of the pulse generator adheres to the SCPI (Standard
Commands for Programmable Instruments) format Version 1.0,
April 1990 (refer to the SCPI manual for further
information). SCPI is an industry standard language for
remote instrument programming. Using any manufacturer's VXI
chassis, the Model 1391 can be controlled using the SCPI
language and the appropriate controller.
Multiple pulse generators may be linked and operated
together inside one VXIbus chassis. Series operation is
provided by full support of the VXIbus SUMBUS.
A signal programmed at the output may be sent to the SUMBUS,
or signal present at the SUMBUS may be summed into the model
1391 output. In parallel operation, model 1391 *s may be
slaved to a master clock/trigger bus on the VXIbus backplane
to create a multichannel pulse generator.
The model 1391 has extensive self-adjustment utilities built
in. Calibration constants are maintained in nonvolatile memory.
1.2 Specifications
1.2.1 Functions
Programmable single, double or delayed pulse and fixed
(«50%) duty cycle square wave.
1.2.2 Operating Modes Continuous:
Pulse period generated continuously internal to the model
1391 at programmed frequency/period. Selected pulse waveform
is continuously output at PULSE OUT with programmed pulse
characteristics. Period timing signal appears at SYNC OUT
(if enabled) and may be selected for output to the
backplane. Pulse periods programmable up to 25 MHz in double
pulse, 50 MHz in single or delayed pulse, and 100 MHz in
square wave. Pulse Amplitude Modulation may be enabled for
external signal at PAM IN.
Triggered:
As above for Continuous mode, except that pulse period
generation is disabled. Output quiescent until triggered by
an external signal at TRIG IN, a TTLTRG or ECLTRG signal,
internal trigger frequency, or a VXIbus command, then
generates one pulse period with the programmed pulse
waveform and pulse characteristics. Triggered pulse periods
operate to 25 MHz in double pulse, 50 MHz in single or
delayed pulse and square wave.
Gated:
Similar to triggered mode except output continues for the
duration of gate signal. The last pulse period started is
completed.
Burst:
Similar to triggered mode except programmable number of
pulse periods in a burst. Burst length, initiated by the
trigger signal, is programmable between 2 and 1,000,000 cycles.

These manuals are available for the above equipment:

Wavetek -- 1391 -- Service and User Manual
File name Wavetek-8310-Manual-Page-1-Picture
Manual Type Service and User Manual
Pages 88
Size 4.55 Mbytes (4767247 Bytes)
Language english
Revision
Manual-ID/Number 1006-00-0694
Date 01 September 1992
Quality Scanned document, reading partly badly, partly not readable.
Upload date
MD5 a7d80b964c542cc426da47ea81d88452
Downloads 33 since 02 January 2017
Information
PRELIMINARY OPERATION AND MAINTENANCE MANUAL

SECTION 1
SECTION 2
SECTION 3
SPECIFICATIONS
1.1
THE MODEL 1391 .....
1.2
SPECIFICATIONS..............
1.2.1
Functions.....................
1.2.2
Operating Modes.....................
1.2.3
Inputs...........................
1.2.4
Outputs...........................
1.2.5
Pulse Characteristics.................
1.2.6
Multichannel Operation.,
1.3
GENERAL.............................
1.3.1
SCPI Programming.............
1.3.2
VXIbus Interface....................
1.3.3
Environmental...........
1.3.4
Size..............................
1.3.5
Power....................
1.3.6
Reliability.............
1.3.7
Cooling Requirement.....
1.3.8
Safety..........................
1.3.9
EMC................... „
PREPARATION
2.1 RECEIVING.INSPECTION .............
2.1.1 Unpacking instructions ..................
2.1.2 Returning
Equipment..............................................
2.2 PREPARATION FOR STORAGE OR SHIPMENT ...........
2.2.1
Packaging............................................................
2.2.2
Storage.....................................................................
2.3 PREPARATION FOR
USE...............................................
2.3.1 Logical Address
Selection........................................
2.3.2 Data Transfer Bus
Arbitration,.................................
2.4
INSTALLATION................................................................
2.5 INITIAL CHECKOUT AND OPERATION VERIFICATION
OPERATION
3.1
INTRODUCTION.............................................:.............................................
3.2 CONNECTORS AND LED INDICATORS
......................................................
3.3 MODEL 1391 PROGRAMMING...........................
3.3.1 SCP! Command
Table..........................................................................
3.3.1.1 Long and Short Form
Keywords......................................................
3.3.2 Command Message Format
.................................................................
3.3:2.1 Program Message
Unit..................................................................
3.3.2.2 Program
Message............................................................................
3.3.2.3 Program Message
Delimiters..........................................................
3.3.2.4 Parameter Forms
.............................................................................
3.3.2.5 Program Message
Terminators......................................................
3.3.2.6 Queries
..............................................................................................
3.3.3 Model 1391 SCPI Commands...................
3.3.3.1 CALibrate
Subsystem......................................................................
3-7
3.3.3.2 INITiate
Subsystem.........................................................................
3-7
3.3.3.3 OUTRut
Subsystem.........................................................................
3-8
3.3.3.4 RESet
Subsystem...........................................................................
3-8
3.3.3.5 SOURce
Subsystem.........................................................................
3-8
3.3.3.6 SYSTem Subsystem
........................................................................
3-11
3.3.37 TRiGger Subsystem
........................................................................
3-12
3.3.3.8 DiAGnostic
Subsystem...................................................................
3-13
3.3.3.9 STATus
Subsystem.........................................................................
3-13
3.3.4 IEEE 488.2 Common Commands
......................................................... 3-16
3.4 MODEL 1391
OPERATION;..........................................................................
3-16
3.4.1 Output
Terminations...............................................................................
3-16
3.4.2 Input/Output
Protection..........................................................................
3-17
3.4.3 Power On/Reset
Defaults......................................................................
3-17
3.4.4 Continuous
Operation.............................................................................
3-17
3.4.4.1 Frequency/Period
Parameters.........................................................
3-19
3.4.4.2 Pulse
Parameters.............................................................................
3-19
34,4.3 Output Levels
....................................................................................
3-19
3.4.4.4 Pulse/Square
Functions..................................................................
3-20
3.4.5 Marker
Operation....................................................................................
3-20
3.4.6 SUMBUS
Operation..............................................................................
3-20
3.4.7 PAM
Operation.......................................................................................
3-21
3.4.8 Triggered
Operation..............................................................................3-22
3.4.8.1 Level and Slope
Parameters...........................................................
3-23
3.4.8.2 External Trigger
Input.......................................................................
3-23
3.4.8.3 Internal
Trigger................................................................................
3-23
34.8.4 BUS Trigger
Commands.................................................................
3-23
3.4.8,5 VXI Trigger Bus
Input.......................................................................
3-24
3.4.9 Gated Operation
..................................................................................
3-24
3.4.9.1 Externa! Width
Operation................................................................
3-25
3.4.10 Burst
Operation.......................................................................................
3-26
3.4.11 Master/Slave Operation
.........................................................................
3-26
3.4.12 Status
Commands...................................................................................
3-26
SECTION 4 CIRCUIT DESCRIPTION
4.1
INTRODUCTION..............................................................................................4-1
4.2 VXI INTERFACE
BOARD...............................................................................4-2
4.2.1 VXI bus
Overview.......................................................................................4-2
4.2.2 Interface
Board.........................................................................................4-2
4.3 PULSE GENERATOR BOARD - DIGITAL
CIRCUITS..................................4*3
4.3.1 Interconnect and Power
Distribution.......................................................4-5
4.3.2 Digital Interface and Data
Registers.......................................................4-5
4.3.3 Frequency
Synthesizer............................................................................4-7
4.3.4
TBF............................................................................................................4-8
4.4 PULSE GENERATOR BOARD - ANALOG
CIRCUITS.................................4-8
4.4.1 Main High-Speed Analog Signal
Path...................................................4-8
4.4.2 Level
Shift.................................................................................................4-10
4.4.3 Current
Switch..........................................................................................4-10
4.4.4 Timimg
Capacitors....................................................................................4-10
4.4.5
Limiter........................................................................................................4-11
4.4.6 Trapezoid
Shaper....................................................................................4-11
4.4.7
Multiplier....................................................................................................4-11
4.4.8 Output
Amplifier......................................................................................4-11
4.4.9 Sumbus Driver
.........................................................................................4-13
4.4.10 Control Voltage D to A
Converters..........................................................4-14
4.4.11 Amplitude Control/PAM
Circuitry.....................,....................................4-14
4.4.12 Transition Control Current
Sources.........................................................4-14
4.4.13 Delay - Width One-Shot
Control...............................................................4-14
4.4.14 Relay
Driver..............................................................................................4-14
4.4.15 Power
Oscillator......................................................................................4-15
4.4.16 Cahrge Pump
.................................................................................4-15
4.4.17 AutoCal/Buiit-ln-Test
Circuitry................................................................4-15
SECTIONS CALIBRATION
■ 5.1 FACTORY
REPAIR..........................................................................................5-1
5.2 REQUIRED TEST
EQUIPMENT.......................................................................5-1
5.3 PERFORMANCE VERIFICATION
PROCEDURE............................................5-2
5.4
CALIBRATION..................................................................................................5-10
5.4.1 Semi-Automated
Procedure..................................................................5-10
5.4.2
Preparation.................................................................................................5-12
5.4.3 Connector
Termination..............................................................................5-12
5.4.4 v Calibration Procedure
..............................................................................5-12

The Next sections are Missing!


SECTION 6 TROUBLESHOOTING
TO BE SUPPLIED AT A LATER DATE
SECTION 7 PARTS AND SCHEMATICS
7.1
DRAWINGS.......................................................................................................7-1
7.2
ERRATA............................................................................................................7-1
7.3 ORDERING
PARTS........................................................................................7-1
Wavetek-8310-Manual-Page-1-Picture
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