233 Cecil A. Malone Drive · Ithaca, New York 14850
Phone ( 607 ) 277 - 8498 · FAX ( 607 ) 277 - 8499 Products Summary List

LOW NOISE VOLTAGE PREAMPLIFIERS

• Model 1201 Low Noise Voltage Preamplifier (bench-top unit)
• Replacement Battery Pack P/N 32358G01
• Option 06 Remote Programming Option
• Model 489A GPIB Coupler
• RM2-2 Rackmount Kit for single 1201
• RM-I Rackmount Kit for two 1201's
• RM489A Rackmount for 489A
• 1201V1X cables for connection from 489A to 1201's

• Model 565 Low/Medium Source Impedance Transformer Preamplifier
• Model 566 Medium Source Impedance Preamplifier
• Model 568 10 MHz Differential Preamplifier
• Model 571 100 MHz Wideband Preamplifier
• Model 1671 High Impedance Preamplifier

• 125L FET, 0 dB, Connector Each End
• 143E/144E, 20 or 40 dB, Single Ended
• 143L/144L FET, 20 or 40 dB, Connector Each End
• 143N/144N FET, 20 or 40 dB, All Solder Pins Each End

• Custom preamplifiers

CURRENT PREAMPLIFIERS

• Model 1211 Current Preamplifier (bench-top unit)
• Option 10 Battery Option
• RM2-2 Rackmount Kit for single 1211
• RM-1 Rackmount Kit for two 1201's

• Model 1212 Current Preamplifier (bench-top unit)

• Model 564 Current Preamplifier (accessory preamplifier)

• Model 1641 Current Preamplifier (accessory preamplifier)

• Model 99539 Current Preamplifier

LOCK-IN AMPLIFIERS

• Model 3981 PC-Based Lock-in Amplifier

• Model 410 Fixed Frequency Lock-in Amplifier Board

LIGHT BEAM CHOPPERS

• 220 Series Choppers

• Model 220 Master Light Beam Chopper
• Model 221M111 Master/Slave Chopper (modified for smaller phase jitter)

• Chopper Blades for 220 Series

  • 0.1 Hz to 10 kHz range
  • Single row, dual row, quadruple row in black or reflective surfaces
  • Blade covers

• Model 230 Light Beam Chopper, complete with 3 blades

  4Hz to 3kHz frequency range

ELECTRONIC FILTERS

• Model 4302 Dual Channel Variable Filter,

  HP Range: 10 Hz - 100 kHz; LP Range: 10 Hz - 1 MHz

• 4210 Series Variable Laboratory Filters (HP,LP,BP,BR)

  • Model 4211: HP Range: .01 Hz - 1 kHz; LP Range: .01 Hz - 10 kHz
  • Model 4212: HP Range: .1 Hz - 10 kHz; LP Range: .1 Hz - 100 kHz
  • Model 4213: HP Range: 1 Hz - 100 kHz; LP Range: 1 Hz - 1 MHz

  • Battery Option available
  • Post Amplifier Option available

• 4110 Series Variable Filter Modules (HP,LP,BP)

  • Model 4111 0.01 Hz - 10 kHz
  • Model 4112 0.1 Hz - 100 kHz
  • Model 4113 1 Hz - 1 MHz

  • 3-Channel, 4-Channel & 7-Channel Racks
  • Power Supply Modules

INSTRUMENTATION AMPLIFIERS

• 450 Series Amplifiers

  • Model 451 -10 dB to +90 dB, 1 Mohm input, switchable LF rolloff
  • Model 452 -10 dB to +90 dB, 500 Mohm input, no rolloff control
  • Model 453 -10 dB to +90 dB, 500 Mohm input, switchable LF rolloff
  • Model 454 -10 dB to +90 dB, l Mohm input, no rolloff control
  • Model 455 Differential Input Version of Model 451, 20 Mohm input
  • Model 456 Differential Input Version of Model 454, 20 Mohm input

  • 3-Channel, 4-Channel & 7-Channel Racks
  • Power Supply Modules

  • Model 489A-2 GPIB Coupler
  • RM489A Rackmount for 489A-2
  • 450V14 Cable connects 489A-2 to Models S11, S21, S30
  • 450V15 Cable for use with two Model S11, S21, S30 and 489A-2