3 GHz counter from the 8100 programmable measuring instruments series
❙❙ Measurement range: 0 Hz to 3 GHz
❙❙ Two measurement inputs: DC to 200 MHz,
one measurement input: 100 MHz to 3 GHz
❙❙ Input impedance A/B: 50 Ω/1 MΩ (switchable),sensitivity 25 mV (RMS)
❙❙ Input impedance C: 50 Ω, sensitivity 30 mV (RMS)
❙❙ 400 MHz timebase with 0.5 ppm stability
❙❙ 10-digit resolution at 10 s gate time
❙❙ Nine measurement functions, external gate and arming
❙❙ Input for external timebase (10 MHz)
❙❙ Standard: TCXO (temperature stability: ±0.5 × 10–6),
optional: OCXO (temperature stability: ±1 × 10–8)
❙❙ Intuitive one-pushbutton operation, each function directly addressable
❙❙ Galvanically isolated USB/RS-232 interface,optionally IEEE 488 (GPIB)