Keysight Technologies InfiniiMax III Series, User Manual

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3. Performance Specifications / Characteristics
Table 4 N2803A Amplifier with N2838A, N5447A, and N5440A ZIF Tips
Specifications / Characteristics
N5439A ZIF Probe Head
N2838A
PC Board ZIF Tip
N5440A
Ceramic ZIF Tip
N5447A
High Sensitivity Ceramic
ZIF Tip
Probe Bandwidth
(–3 dB), Probe Only
25 GHz (typical) 28 GHz (typical) ,
26 GHz warranted
28 GHz (typical)
Rise and Fall Time, Probe Only
(Single-Ended) 23.1 ps (10-90%)
14.9 ps (20-80%)
20.9 ps (10-90%)
13.8 ps (20-80%)
20.9 ps (10-90%)
13.8 ps (20-80%)
Rise and Fall Time, Probe Only
(Differential Mode) 17.4 ps (10-90%)
12.3 ps (20-80%)
15.6 ps (10-90%)
11.0 ps (20-80%)
15.5 ps (10-90%)
11.0 ps (20-80%)
System Bandwidth
(–3 dB) with DSO/DSAX93204A
25 GHz 28 GHz 28 GHz
Rise and fall time with
DSO/DSAX93204A
17.6 ps (10-90%)
12.5 ps (20-80%)
15.5 ps (10-90%)
11.0 ps (20-80%)
15.5 ps (10-90%)
11.0 ps (20-80%)
Input Capacitance Cdiff = 95 fF
Cse = 130 fF
Cdiff = 32 fF
Cse = 44 fF
Cdiff = 32 fF
Cse = 44 fF
DC Input Resistance* Rse = 50 k Ω ±2% each
input to ground
Rdiff = 100 k
Ω
±2%
Rcm = 25 k Ω ±2%
Rse = 50 k Ω ±2% each
input to ground
Rdiff = 100 k
Ω
±2%
Rcm = 25 k Ω ±2%
Rse = 50 k Ω ±2% each
input to ground
Rdiff = 100 k
Ω
±2%
Rcm = 25 k Ω ±2%
Input Resistance (> 10 kHz) Rse = 500
Ω
each input to
ground
Rdiff = 1 k
Ω
Rcm = 250 Ω
Rse = 500
Ω
each input to
ground
Rdiff = 1 k
Ω
Rcm = 250 Ω
Rse = 500
Ω
each input to
ground
Rdiff = 1 k
Ω
Rcm = 250 Ω
Input Voltage Range
(Differential or Single-Ended)
1.6Vpp, ±0.8V
(HD2&3< –34 dBc),
2.5Vpp, ±1.25V
(HD2&3< –38 dB)**
1.6Vpp, ±0.8V
(HD2&3< –34 dBc),
2.5Vpp, ±1.25V
(HD2&3< –38 dB)**
0.8Vpp, ±0.4V
(HD2&3< –34 dBc),
1.6Vpp ±0.8V
(HD2&3< –38 dB)**
Input Common Mode Range ±12V DC to 250 Hz
±1.25V > 250 Hz
±12V DC to 250 Hz
±1.25V > 250 Hz
±6V DC to 250 Hz
±0.65V > 250 Hz
DC attenuation Ratio 6:1 6:1 3:1
Offset Range (for probing a
single-ended signal)
±16V ±16V ±8V
Input Referred Noise Spectral
Density
23.9 nV/rt (Hz) 23.9 nV/rt (Hz) 12.0 nV/rt (Hz)
Input Referred Noise Example 4 mVrms 4 mVrms 2 mVrms
Maximum Input Voltage 18V peak CAT I 18V peak CAT I 18V peak CAT I
*Denotes warranted characteristic - all others are typical
**Harmonic distortion < –38 dB is standard; < –34 dB wider input range with slightly increased distortion