ZVB specifications at a glance
Frequency range ZVB 4 ZVB 8	300 kHz to 4 GHz 300 kHz to 8 GHz
Number of test ports	2 or 4
Measurement types	Balanced (mixed-mode S parameters), multiport, parallel two-port
Measurement time1	Less than 8 ms
Dynamic range	At least 123 dB
Trace noise	Less than 0.01 dB
Continuous RF power sweep range	−40 to +13 dBm (+16 dBm typical)
IF bandwidth	1 Hz to 500 kHz
Measurement points per trace	20,001 maximum
Number of traces, diagrams, channels, and set-ups than can be loaded into RAM	Limited only by instrument memory
Switching time between display channels	Less than 1 ms
Operating system	Windows XP
Control	Hard keys and soft keys, keyboard and mouse, online help, measurement wizards
Interfaces	Ethernet (2), USB (4), IEC-Bus, DC measurement inputs, bias (1 each, 4 ports), VGA monitor, foot switch, external trigger
Removable storage	Diskette
Calibration types	TOSM, TRL/LRL, TOM, TRM, TNA
Weight	44 lb.
Dimensions	17 × 9 × 14 in.
Options	Time domain, external time base, electronic calibration (via USB)
1. 201 points, 1 GHz to 1.2 GHz, 500 kHz measurement bandwidth