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Stanford Research SR844 High Frequency Lock-In Amplifier, 25 kHz to 200 MHz

Refurbished
Manufacturers Part #: SR844
High Frequency Lock-In Amplifier, 25 kHz to 200 MHz
Your Price: $7,995.00
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Stanford Research SR844 High Frequency Lock-In Amplifier, 25 kHz to 200 MHz

The SR844 is the widest bandwidth lock-in amplifier available. It provides uncompromised performance with a frequency range of 25 kHz to 200 MHz and up to 80 dB of drift-free dynamic reserve. It includes the many features, ease of operation, and programmability that you’ve come to expect from SRS DSP lock-in amplifiers.


Features:
  • 25 kHz to 200 MHz frequency range
  • 80 dB dynamic reserve
  • Time constants from 100 µs to 30 ks (6, 12, 18 or 24 dB/oct rolloff)
  • "No Time Constant" mode (10 µs to 20 µs update rate)
  • Auto-gain, -phase, -reserve and -offset
  • Two 16-bit DAC's and ADC's
  • Internal or external reference
  • GPIB and RS-232 interfaces

 
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