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Keysight Technologies 34945A

Microwave Switch/Attenuator Driver Module; for the 34980A

Model

34945A

Product Family

Multimeter

Manufacturer

Keysight Technologies

Configured models contain the following attributes:

MultimeterData AcquisitionCounters & Function GeneratorsData Acquistion

Configurations

Key Specs

Product Overview

Resources

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Product Overview

The Keysight 34945A switch/attenuator driver module for the 34980A Multifunction Switch/Measure Unit allows you to control switches and attenuators external to the 34980A Mainframe. This module provides power and control signals for many of the most popular microwave switches and attenuators.

Distribution boards offer ease of wiring to the external switches. One 34945A and 34945EXT can drive up to 64 switch coils, that´s 32 SPDT switches. Add an additional 34945EXT´s to drive another 64 switch coils.

Key Features

Control of most popular microwave switches and attenuators

Expandable with 34945EXT Remote Module

Distribution boards for ease of wiring

Switch readback capabilities

External power option for simultaneous switching

Specifications
Multifunction Switch/Measurement Unit
Model Overview
Model	Description	Information
34980A	Multifunction data acquisition mainframe Holds up to 8 Plug-in-Modules	Comes standard with “DMM” option and BenchVue DAQ
BV0006B	BenchVue Data Acquisition Control and Analysis (DAQ) Holds up to 8 Plug-in-Modules	BenchVue makes it simple to connect, control instruments, and automate test sequences. Supported plug-in modules: 34921A 34922A 34923A 34924A 34925A 34931A 34932A 34933A 34937A 34938A 34952A

Specifications
Multifunction Switch / Measure RF and Microwave Modules
Module Overview
Model	Description	Insertion Loss	Frequency Range	VSWR
RF Switching
34941A	Quad 1x4 50Ohm	0.6 dB	3 GHz	< 1.25
34942A	Quad 1x4 75Ohm	Contact Factory	Contact Factory	Contact Factory
Microwave Switching
34945A	Microwave Switch/ Attenuator Drive	Drive up to 64 external switch coils; 32 SPDT switches 8 multiport switches 8 attenuators or custom combination	Drive up to 64 external switch coils; 32 SPDT switches 8 multiport switches 8 attenuators or custom combination	Drive up to 64 external switch coils; 32 SPDT switches 8 multiport switches 8 attenuators or custom combination
34946A	Dual 1x2 SPDT Terminated	< 0.42dB to < 0.69dB	4 GHz or 20 GHz	< 1.15 to < 1.30
34947A	Triple 1x2 SPDT Unterminated	< 0.42dB to < 0.69dB	4 GHz or 20 GHz	< 1.15 to < 1.30

Specifications
Multifunction Switch / Measure Low Frequency Modules
Module Overview
Model	Description	Max. Volts	Max. Current	Scan Ch/Sec
Multiplexers
34921A	40 Channel Armature	+/- 300V	1A	100
34922A	40 Channel Armature	+/- 300V	1A	100
34923A	40/80 Channel Reed	+/- 150V	0.5A	500
34924A	70 Channel Reed	+/- 150V	0.5A	500
34925A	40/80 Channel Optically Isolated FET Multiplexer	+/- 80V	0.5A	1000
Matrix Switches
34931A	Dual 4x8 Armature	+/- 300V	1A	100
34932A	Dual 4x16 Armature	+/- 300V	1A	100
34933A	Dual/Quad 4x8 Reed	+/- 150V	0.5A	500
GP/Actuator Switches
34937A	28 Channel Form C 4 Channel Form A	300V 250AC	1A 5A	N/A N/A
34938A	20 Channel 5 Amp Form A	250AC	5A	N/A

Specifications
Multifunction Switch / Measure System Measurement and Control Modules
Module Overview
Model	Description	Information
34950A	64 Bit DIO with Memory Counter	Eight 8-bit digital I/O channels Up to 5 V thresholds 7 handshaking protocols Pattern memory Two 10 MHz frequency counter/totalizers 10 MHz programmable clock output
34951A	4 Channel Isolated D/A Converter with Waveform Memory	Output DC V up to +/-16V or DC current up to +/-20 mA Output wave forms w/200 kHz update rate and 16 bit resolution
34952A	Multifunction Module with 32 Bit DIO, 2 Channel D/A and Totalizer	Four 8-bit digital I/O channels 2 +/- 12V analog outputs 100 kHz gated totalizer
34959A	Breadboard	Access to +12V and +5V supplies 16 GPIO ports 32 relay drive lines for custom designs

Specifications
34980A Data Acquisition System Module Overview
Model	Description
Terminal Blocks used for Discrete Wiring. Supports 20 AWG Wire for 100 Connections
3492xT	Multiplexer terminal blocks
3493xT	Matrix and GP terminal blocks
3495xT	Measurement and control terminal blocks

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