Datasheet
Version 04.00, December 2018 
6  Rohde & Schwarz R&S
®
Cable Rider ZPH Cable and Antenna Analyzer 
Spectrum Analyzer (R&S
®
ZPH-K1 option, only model .12) 
Frequency range 
R&S
®
Spectrum Rider 
5 kHz to 3 GHz 
with R&S
®
ZPH-B4 installed 
5 kHz to 4 GHz 
Frequency resolution 
1 Hz 
Reference frequency, internal 
Aging per year 
1 × 10
–6
Temperature drift 
0 °C to +50 °C 
1 × 10
–6
Achievable initial calibration accuracy 
5 × 10
–7
Total reference uncertainty 
(time since last adjustment × aging rate) + 
temperature drift + calibration accuracy 
Frequency readout 
Marker resolution 
1 Hz 
Uncertainty 
±(marker frequency × reference 
uncertainty + 10 % × resolution bandwidth 
+ ½ (span/(sweep points – 1) + 1 Hz) 
Number of sweep (trace) points 
711 
Marker tuning frequency step size 
span/710 
Frequency counter resolution 
0.1 Hz 
Count uncertainty 
SNR > 25 dB 
±(frequency × reference uncertainty + 
½ (last digit)) 
Frequency span 
0 Hz, 10 Hz to 3 GHz 
with R&S
®
ZPH-B4 option installed 
0 Hz, 10 Hz to 4 GHz 
Span uncertainty 
1 % (nom.) 
Spectral purity SSB phase noise 
f = 500 MHz 
Carrier offset 
30 kHz 
< –88 dBc (1 Hz),–95 dBc (1 Hz) (typ.) 
100 kHz 
< –98 dBc (1 Hz), –105 dBc (1 Hz) (typ.) 
1 MHz 
< –118 dBc (1 Hz), –125 dBc (1 Hz) (typ.) 
Sweep time 
Sweep time 
span = 0 Hz 
1 ms to 1000 s 
10 Hz ≤ span ≤ 600 MHz 
20 ms to 1000 s 
span > 600 MHz 
20 ms × span / 1600 MHz to 1000 s 
Uncertainty 
span = 0 Hz 
1 % (nom.) 
span ≥ 10 Hz 
3 % (nom.) 
Bandwidths 
Resolution bandwidths 
Range 
–3 dB bandwidth 
1 Hz to 3 MHz in 1/3 sequence 
Bandwidth accuracy 
1 Hz ≤ RBW ≤ 300 kHz 
< 5 % (nom.) 
300 kHz < RBW ≤ 1 MHz 
< 10 % (nom.) 
Selectivity 60 dB:3 dB 
< 5 (nom.), (Gaussian type filters) 
Video filters 
Range 
–3 dB bandwidth 
1 Hz to 3 MHz in 1/3 sequence 










