Agilent 34945A Module Summary

Microwave Switch/Attenuator Driver

 

Channel Numbering | SCPI Commands Used | Key Specifications

 

Channel Numbering
 

 

    

 

 

Bank	Channels	Channels
Bank 1	1 – 8	11 – 18
Bank 2	21 – 28	31 – 38
Bank 3	41 – 48	51 – 58
Bank 4	61 – 68	71 – 78

 

 

Example:   ROUTE:CLOSE (@1234)

 

 

 

SCPI Commands Used

ROUTe:CHANnel:DRIVe:CLOSe:DEFault

ROUTe:CHANnel:DRIVe:OPEN:DEFault

ROUTe:CHANnel:DRIVe:PAIRed[:MODE]

ROUTe:CHANnel:DRIVe:PULSe[:MODE]

ROUTe:CHANnel:DRIVe:PULSe:WIDTh

ROUTe:CHANnel:DRIVe:STATe?

ROUTe:CHANnel:DRIVe:TIME:RECovery

ROUTe:CHANnel:DRIVe:TIME:SETTle

ROUTe:CHANnel:VERify[:ENABle]

ROUTe:CHANnel:VERify:POLarity

ROUTe:CHANnel:VERify:POSition:STATe?

ROUTe:CLOSe

ROUTe:OPEN

ROUTe:RMODule:BANK:DRIVe[:MODE]

ROUTe:RMODule:BANK:LED:DRIVe[:ENABle]

ROUTe:RMODule:BANK:LED:DRIVe:LEVel

ROUTe:RMODule:BANK:PRESet

ROUTe:RMODule:DRIVe:LIMit

ROUTe:RMODule:DRIVe:SOURce:BOOT

ROUTe:RMODule:DRIVe:SOURce[:IMMediate]

SYSTem:CDEScription:RMODule?

SYSTem:CTYPe:RMODule?

SYSTem:RMODule:RESet

SYSTem:RMODule:STATus?

 

Key Specifications

See the Agilent 34945A Microwave Switch/Attenuator Driver Module User's Guide for detailed operating information.

34945EXT Switch Drive (64 channels, Open-Collector Mode)
Driver Off Voltage (max)	30 V
Driver Off Leakage Current	< 500 µV
Driver On Current (max)	600 mA
Driver On Voltage (max)	0.5 V @ 600 mA

 

34945EXT Switch Drive (64 channels, TTL Mode)
HI Output Voltage	3 V, Iout = 2 mA
LO Output Voltage	0.4 V, Iin = 20 mA
LO Input Current	20 mA

 

34945EXT Position Indicator Sense Inputs
Channels	64
LO Input Voltage (max)	0.8 V
HI Input Voltage (min)	2.5 V
Input Resistance	>100 kΩ
Maximum Input Voltage	30 V

 

34945EXT Switch Drive Power Supply (34945EXT powered by 34945A)
Voltage	24 V nominal
Current	100 mA Continuous + 200 mA (15 ms pulse, 25% duty cycle)

 

34945EXT External Power Connection
Voltage Range	4.75 V to 30 V
Current Limit	> 2 A

Note: Product specifications are subject to change without notice.