Input
Input ranges
(full scale) (auto-range capability)
+27 dBVrms (31.7 Vpk) to -51 dBVrms
(3.99 mVpk) in 2 dB steps
Maximum input levels 42 Vpk
Input impedance
1MΩ±10%, 90 pF nominal
Low side to chassis impedance
Floating mode
Grounded mode
1MΩ±30%, <0.010 µF (typical)
≤100 Ω
AC coupling rolloff <3 dB rolloff at 1 Hz
Common mode rejection ratio
Single tone at or below 1 kHz
–51 dBVrms to –11 dBVrms ranges
–9 dBVrms to +9 dBVrms ranges
+11 dBVrms to +27 dBVrms ranges
>75 dB typical
>60 dB typical
>40 dB typical
Note: CM dBfs = CM signal input [dBVrms] - CMRR [dB] - range [dBVrms]
Common mode range (floating mode)
±4 Vpk
Amplitude over-range detection +3 dB typical
ICP signal conditioning
Current source
Open circuit voltage
4.25 ±1.5 mA
+26 to +32 Vdc
A-weight filter
Conforms to ANSI Standard S1.4-1983; and
to IEC 651-1979; 10 Hz to 25.6 kHz
Type 0 Tolerance
Crosstalk
Between input channels, and source-to-input
(receiving channel source impedance = 50 Ω)
<–135 dB below signal or <–80 dBfs of
receiving channel, whichever response is
greater in amplitude
Specifications Agilent 35670A
Input
1-8
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