Voltage Amplifiers

 

AMI Voltage AmplifierAnalog Modules, Inc. (AMI) designs and manufactures a range of voltage amplifiers for OEM, medical and research applications. AMI’s amplifiers combine low noise, high gain, large dynamic range, and small package size.

The 321A Series are ultra low noise voltage amplifiers designed for instrument and transducer applications in which high gain and low noise are required. Both low and high input impedances are available.

The 351A Series are low noise voltage amplifiers designed for instrument and transducer applications in which low drift and low noise are required. Both low and high input impedances are available.

The Model 353A is a low noise voltage amplifier designed for instrument and transducer applications in which high bandwidth and low noise are required.
Data Sheets (PDF Format) are available for models listed below.

ModelBandwidth
(Small Signal)
GainInput Noise
(V/Root Hz)
Output SwingInput Z
(Ohms)
Features
321A-1200Hz to 1MHz20 to 40dB2.5nV±6V50 or 4.7kTrimpot adjustable gain
321A-2200Hz to 6.5MHz40 to 60dB1.7nV±6V50 or 4.7kTrimpot adjustable gain
321A-3200Hz to 3.5MHz60 to 80dB1nV±6V50 or 4.7kTrimpot adjustable gain
351A-1DC to 12MHz20 to 40dB2.5nV±6V50 or 4.7kPrecision variable gain; offset adjust
351A-2DC to 12MHz40 to 60dB1.7nV±6V50 or 4.7kPrecision variable gain; offset adjust
351A-3DC to 12MHz60 to 80dB1nV±6V50 or 4.7kPrecision variable gain; offset adjust
353A-1DC to 350MHz30dB2nV±1.5V50Highest bandwidth

Specifications are subject to change without notice.

All specifications valid for 50 ohm load.
Tolerance on noise and bandwidth is ±20%.

Application Notes available on selected models.

 

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