SR640, SR645 & SR650
Programmable Filters
  • Two independent filter channels
  • 115 dB/octave rolloff
  • 1 Hz to 100 kHz frequency range
  • 0.1 dB passband ripple
  • 80 dB stopband attenuation
  • 6 nV/ÖHz input noise
  • Up to 80 dB of gain
  • GPIB and RS-232 interfaces
 click to enlarge
SR650 Front Panel
click to enlarge
SR650 Rear Panel