Keysight N2800A User Manual page 63

Table 11 N2803A Amplifier with N5444A and N5445A Probe Heads (Sheet 1 of 2)
Specifications / Characteristics
Probe Bandwidth
(–3 dB), Probe Only
Rise and Fall Time, Probe Only
(Single-Ended)
Rise and Fall Time, Probe Only
(Differential Mode)
System Bandwidth
(–3 dB) with DSO/DSAX93204A
Rise and fall time with DSO/DSAX93204A
Input Capacitance
DC Input Resistance*
Input Resistance (> 10 kHz)
Input Voltage Range
(Differential or Single-Ended)
Input Common Mode Range
DC attenuation Ratio
Offset Range
(for probing a single-ended signal)
Input Referred Noise Spectral Density
Input Referred Noise Example
Maximum Input Voltage
*Denotes warranted characteristic - all others are typical
**Harmonic distortion < –38 dB is standard; < –34 dB wider input range with slightly increased distortion
InfiniiMax III Series Probes User's Guide
N5444A
SMA, 3.5 mm, 2.92 mm Adapter
30 GHz (typical)
15.5 ps (10-90%)
11.0 ps (20-80%)
15.5 ps (10-90%)
11.0 ps (20-80%)
30 GHz
15.5 ps (10-90%)
11.0 ps (20-80%)
N/A
55Ω to Vterm
50Ω to (0.909)(Vterm)
1.6Vpp, ±0.8V (HD2&3< –34 dBc),
2.5Vpp, ±1.25V (HD2&3< –38 dB)**
±6V DC to 250 Hz
±1.25V > 250 Hz without violating
maximum input power
6:1
±6V without violating maximum
input power
23.9 nV/rt (Hz)
4 mVrms
8V peak without violating maximum
input power
Performance Specifications / Characteristics
N5445A
Browser
30 GHz (typical),
28 GHz warranted
16.2 ps (10-90%)
10.9 ps (20-80%)
14.5 ps (10-90%)
10.3 ps (20-80%)
30 GHz
14.3 ps (10-90%)
10.2 ps (20-80%)
Cdiff = 35 fF
Cse = 50 fF
Rse = 50 kΩ ±2% each input to gnd
Rdiff = 100 kΩ ±2%
Rcm = 25 kΩ ±2%
Rse = 500Ω each input to ground
Rdiff = 1 kΩ
Rcm = 250Ω
1.6Vpp, ±0.8V (HD2&3< –34 dBc),
2.5Vpp, ±1.25V (HD2&3< –38 dB)**
±12V DC to 250 Hz
±1.25V > 250 Hz
6:1
±16V
23.9 nV/rt (Hz)
4 mVrms
18V peak CAT I
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