Keysight N2800A User Manual page 61

Table 10 N2803A Amplifier with N2838A, N5447A, and N5440A ZIF Tips (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
*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
N5439A ZIF Probe Head
N2838A
PC Board ZIF Tip
25 GHz (typical)
23.1 ps (10-90%)
14.9 ps (20-80%)
17.4 ps (10-90%)
12.3 ps (20-80%)
25 GHz
17.6 ps (10-90%)
12.5 ps (20-80%)
Cdiff = 95 fF
Cse = 130 fF
Rse = 50 kΩ ±2% each
input to ground
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< –38 dBc typ.),
2.5Vpp, ±1.25V
(HD2&3< –34 dBc typ.) **
±12V DC to 250 Hz
±1.25V > 250 Hz
6:1
±16V
23.9 nV/rt (Hz)
4 mVrms
Performance Specifications / Characteristics
N5440A
Ceramic ZIF Tip
28 GHz (typical),
26 GHz warranted
20.9 ps (10-90%)
13.8 ps (20-80%)
15.6 ps (10-90%)
11.0 ps (20-80%)
28 GHz
15.5 ps (10-90%)
11.0 ps (20-80%)
Cdiff = 32 fF
Cse = 44 fF
Rse = 50 kΩ ±2% each
input to ground
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< –38 dBc typ.),
2.5Vpp, ±1.25V
(HD2&3< –34 dBc typ.)**
±12V DC to 250 Hz
±1.25V > 250 Hz
6:1
±16V
23.9 nV/rt (Hz)
4 mVrms
N5447A
High Sensitivity Ceramic
ZIF Tip
28 GHz (typical)
20.9 ps (10-90%)
13.8 ps (20-80%)
15.5 ps (10-90%)
11.0 ps (20-80%)
28 GHz
15.5 ps (10-90%)
11.0 ps (20-80%)
Cdiff = 32 fF
Cse = 44 fF
Rse = 25 kΩ ±2% each
input to ground
Rdiff = 50 kΩ ±2%
Rcm = 12.5 kΩ ±2%
Rse = 250Ω each input to
ground
Rdiff = 500Ω
Rcm = 125Ω
0.8Vpp, ±0.4V
(HD2&3< –38 dBc typ.),
1.6Vpp ±0.8V
(HD2&3< –34 dBc typ.)**
±6V DC to 250 Hz
±0.65V > 250 Hz
3:1
±8V
12.0 nV/rt (Hz)
2 mVrms
4
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