2
Frequency Readout
Accuracy
(Start, Stop, Center, Marker) ±(frequency readout x frequency
reference error
1
+span accuracy +1%
of span +20% of RBW+100 Hz x N*)
Marker Count Accuracy
Frequency Span
≤10 MHz x N* ±(marker frequency x frequency
reference error
1
+ counter resolution
+100 Hz x N*)
Frequency Span ±(marker frequency x frequency
>10 MHz x N* reference error
1
+ counter
resolution +1 kHz x N*)
Counter Resolution
Frequency Span
≤10 MHz x N* Selectable from 10 Hz to 100 kHz
Frequency Span
>10 MHz x N* Selectable from 100 Hz to 100 kHz
Frequency Span
Range 0 Hz (zero span), and
Opt. 130 Std.
Min. Min. Max
(KHz) (KHz) (GHz)
8591E 1 10 1.8
8593E 1 x N* 10 x N* 19.25
8594E 1 10 2.9
8595E 1 10 6.5
8596E 1 x N* 10 x N* 12.8
Resolution Four digits or 20 Hz x N*
whichever is greater
Accuracy
Span ≤10 MHz x N* ±2% of span
Span >10 MHz x N* ±3% of span
Frequency Sweep Time
Range
Span = 0 Hz, >1 kHz 20 ms to 100 s
Span = 0 Hz (Opt. 101) 20 µs to 100 s
Accuracy
20 ms to 100 s ±3%
20 µs to <20 ms (Opt. 101) ±2%
Sweep Trigger Free run, single, line, video,
external
Resolution Bandwidth 1 kHz to 3 MHz (3 dB) in 1-3-10
sequence.
9 kHz and 120 kHz (6 dB) EMI
bandwidths.
Option 130 Adds 30, 100, and 300 Hz (3 dB)
bandwidths and 200 Hz (6 dB) EMI
bandwidth.
Accuracy ±20%
Selectivity (Characteristic)
–60 dB/–3 dB
3 kHz to 10 kHz 15:1
100 kHz to 3 MHz 15.1
1 kHz, 30 kHz 16:1
–40 dB/–3 dB
30 Hz to 300 Hz 10:1
Video Bandwidth Range 30 Hz to 1 MHz in 1,3 sequence
1 Hz to 1 MHz (Opt 130)
Stability
Noise Sidebands (1 kHz RBW, 30 Hz VBW and sample detector)
>10 kHz offset from CW signal ≤–90 dBc/Hz + 20 Log N*
>20 kHz offset from CW signal ≤–100 dBc/Hz + 20 Log N*
>30 kHz offset from CW signal <–105 dBc/Hz + 20 Log N*
Residual FM
8591E
1 kHz RBW, 1 kHz VBW ≤250 Hz pk-pk in 100 ms
30 Hz RBW, 30 Hz VBW ≤30 Hz pk-pk in 300 ms
8593E, 94E, 95E, 96E
1 kHz RBW, 1 kHz VBW ≤(250 x N*) Hz pk-pk in
100 ms
30 Hz RBW, 30 Hz VBW ≤(30 x N*) Hz pk-pk in 300 ms
System-Related Sidebands
>30 kHz offset from CW signal ≤–65 dBc + 20 Log N*
Comb Generator Frequency
8593E, 96E I00 MHz fundamental
frequency
Accuracy ±0.007%
* N = LO harmonic. N = 1 for 91E, 94E, 95E
1. Frequency reference error = (aging rate x period of time since
adjustment + initial achievable accuracy + temperature
stability).