Keithley 220 Programmable Current Source

Keithley 220 Programmable Current Source
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Keithley 220 Programmable Current Source Keithley 220 Programmable Current Source Keithley 220 Programmable Current Source
Keithley 220
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Manual

Specifications:

  • IEEE-488 bus standard
  • 100 location program memory
  • Programmable dwell time - 3 ms to 999.9 s
 
Range Maximum Output Step Size
100 mA ±101.00 mA 50 µA
10 mA ±19.995 mA 5 µA
1 mA ±1.9995 mA 500 nA
100 µA ±199.95 µA 50 nA
10 µA ±19.995 µA 5 nA
1 µA ±1.9995 µA 500 pA
100 nA ±199.95 nA 50 pA
10 nA ±19.995 nA 5 pA
1 nA ±1.9995 nA 500 fA
 
  • Display - 0.5 in LED digits, 4 ½-digit signed mantissa, 1-digit signed exponent.
  • Maximum Allowable Common Mode Voltage (Output or Output Common to Chassis) - 250 V rms, DC to 60 Hz.
  • Output Resistance - > 1014 ohms (on 1 nA range).
  • Output Capacitance - < 20 pF.
  • Voltage Limit - Bipolar, 1 to 105 volts in 1 V programmable steps.
  • Output Load - must be non-inductive
  • External Trigger - TTL-compatible EXTERNAL TRIGGER INPUT and   OUTPUT.
  • Output Connections - Teflon insulated 2-lug triax connector (Specialty Connector #30JR121-1) for output; five-way binding posts for GUARD, OUTPUT COMMON, and CHASSIS; BNC (chassis isolated) connectors for EXTERNAL TRIGGER INPUT and OUTPUT, Amphenol or Cinch Series 87 IEEE and printed circuit digital I/O port.  All connections on rear panel.