Product Comparison - 34970A/34972A Data Acquisition Control Unit Modules

Product Comparison - 34970A/34972A Data Acquisition Control Unit Modules
Product Description Speed (Ch/Sec) Max Voltage Max Current Comments
  34901A20-ch. multiplexer (2/4-wire) 60 300V 1A 2 current channels (22 ch. total); built-in cold junction reference; connects to internal DMM 
  34902A16-ch. multiplexer (2/4-wire) 250 300V 50 mA Built-in cold junction reference; reed relays multiplex inputs to internal DMM
  34903A20-ch. actuator/GP switch 120 300V 1 A Form C (SPDT) switches; no connection to internal DMM
  34904A4x8 matrix 120 300V 1 A 2-wire, full crosspoint; no connection to internal DMM
  34905A2-GHz dual 1:4 RF mux, 50 ohm 60 42V 0.7 A 1-GHz through provided BNC-to-SMB adapter cables; no connection to internal DMM
  34906A2-GHz dual 1:4 RF mux, 75 ohm 60 42V 0.7 A 1-GHz through provided BNC-to-SMB adapter cables; no connection to internal DMM
  34907ATwo 8-bit digital I/O ports

26-bit, 100-kHz event counter

Two 16-bit analog outputs   		N/A


N/A


N/A 		42 V


42 V


+/-12V  		400 mA





10 mA  		Open Drain


Gated, selectable input theshold


Earth referenced, calibrated


No connection to internal DMM  
  34908A40-ch. single-ended multiplexer 60 300V 1 A Common low, no 4-wire meas.  Built-in cold junction reference; connects to internal DMM