Princeton Applied Research / EG&G AM-1 Input Transformer
  • Princeton_Applied_Research_EG_G_AM_1_View1_201986125650
  • Princeton_Applied_Research_EG_G_AM_1_View2_201986125650
  • Princeton_Applied_Research_EG_G_AM_1_View3_201986125650
  • Princeton_Applied_Research_EG_G_AM_1_View4_201986125650

Princeton Applied Research / EG&G AM-1 Input Transformer

This unit has cosmetic damage to the housing; however, this will not prevent it from functioning properly.

• 5Hz to 10kHz
• 1:1000 Turns Ratio

View a Representative Photo of the cosmetic damage.

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Stock # 71869-2
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Princeton Applied Research / EG&G 113 Low-Noise Preamplifier

  • High Gain, Low Noise Amplification of Wideband Signals from DC to 300 kHz
  • Adjustable High and Low Frequency Rolloffs
  • Either Differential or Single-Ended Operation


The Princeton Applied Research / EG&G 113 Low-Noise Preamplifier provides high gain, low noise amplification of wideband signals from dc to 300 kHz. Adjustable high and low frequency rolloffs allow the bandwidth to be reduced. Two inputs, with individual coupling switches, allow either differential or single-ended operation. Calibrated gain is switch selectable from x10 to x104 in a 1-2-5 sequence, and an uncalibrated gain vernier provides x1 to x2.5 range expansion.

The unit may be powered either from the ac line or from its own batteries. The nickel-cadmium batteries recharge automatically during line operation. Other features include an overload fast-recovery switch, special circuitry that reduces the effects of ground-loop currents, front-panel dc zeroing and common mode rejection screwdriver controls, and battery test provisions. The 113 is well suited for use as a preamplifier for other signal processing instruments.

Product Family: 113, AM-1, AM-2, II3, AM1, AM2, AM 1, AM 2, 190-113, 190

Important Notice: Please note that any additional items included with this equipment such as accessories, manuals, cables, calibration data, software, etc. are specifically listed in the above stock item description and/or displayed in the photos of the equipment. Please contact one of our Customer Support Specialists if you have any questions about what is included with this equipment or if you require any additional information.

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Princeton Applied Research / EG&G 113 Low-Noise Preamplifier

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