Version 03.01, June 2018Base unitVertical system Input channels 4 channels Input impedance offset and position set to zero 50 Ω ± 2 % Analog bandwidth (–3 dB) R&S®RTP044 ≥ 4 GHz R&S®RTP064 ≥ 6 GHz R&S®RTP084 ≥ 8 GHz Rise time/fall time 10 % to 90 %, calculated from 0.43/analog bandwidth R&S®RTP044 108 ps R&S®RTP064 72 ps R&S®RTP084 54 ps Input VSWR input frequency ≤ 4 GHz 1.25 (meas.) > 4 GHz to ≤ 8 GHz 1.4 (meas.) Vertical resolution 8 bit, 16 bit for high resolution decimation (with reduction of the sampling rate), 16 bit for high definition mode (without reduction of the sampling rate 1, requires R&S®RTP-K17 option) DC gain accuracy offset and position set to zero > 5 mV/div ±1.5 % ≤ 5 mV/div ±2 % Input coupling DC, GND Input sensitivity entire analog bandwidth supported for all 1 mV/div to 1 V/div input sensitivities; digital zoom at sensitivities < 2 mV/div Maximum input voltage ±5 V Position range ±5 div Offset range input sensitivity > 100 mV/div ±5 V ≤ 100 mV/div ±(1.5 V – input sensitivity × 5 div) Offset accuracy input sensitivity > 100 mV/div ±(0.35 % × |net offset| + 0.1 div × input sensitivity) ≤ 100 mV/div, net offset ≤ 1 V ±(0.35 % × |net offset| + 0.1 div × input sensitivity + 2 mV) ≤ 100 mV/div, net offset > 1 V ±1 % × |net offset| net offset = offset – position × input sensitivity DC measurement accuracy after adequate suppression of ±(DC gain accuracy × measurement noise |reading – net offset| + offset accuracy) Channel-to-channel isolation between channels 1-3, 1-4, 2-3, 2-4 > 60 dB (meas.) (each channel at 100 mV/div) between channels 1-2 and 3-4 > 40 dB (meas.) RMS noise floor (meas.) input sensitivity R&S®RTP044 R&S®RTP064 (corresponding signal to noise ratio at full 1 mV/div 270 µV (22.3 dB) 340 µV (20.3 dB) scale (calculated))