B&K Precision 2658A - Manual - Manual (Page 11)

5
 Amplitude section
2650A, 2652A, 2651 2658A
Reference level
Setting range +10 to -60 dBm (1dB step)
Accuracy within ± 0.8 dB ± 1 dot
@ center frequency : 100 MHz, RBW : 3 MHz, VBW : 1 MHz, REF : -15 dBm, 23±5 °C
Unit dBm, dBV, dBmV, d
BμV, dBμV/m, dBμA/m
(dBμV/m and dBμA/m are used for measurement functions)
Average noise level -127 dBm (typical) @ CF : 1 GHz, RBW : 3 kHz, VBW : 100 Hz, Ref. level < - 40dBm ( preamp
automatically ON)
Frequency
characteristics within ±2.0 dB ±1dot @50 kHz to 100 MHz
within ±1.0 dB ±1dot @ 100 MHz to 3.3 GHz within ±2.0 dB ±1dot @50 kHz to 100 MHz
within ±1.0 dB ±1dot @100 MHz to 8.5 GHz
Input impedance 50
Ω
Input VSWR less than 2.0
Input attenuator
Operating
range 0 to 25 dB (1 dB step), coupled with reference level
Switching
error ±0.6 dB @100 MHz
RBW switching error ±0.6 dB
Display resolution
(vertical) 381 dots/10div
Display
scale
Scale 10 dB/div, 5 dB/div, 2 dB/div
Accuracy
±(0.2 dB+1dot)/2 dB ±(0.4 dB+1dot)/5 dB
±(0.8 dB+1dot)/10 dB ±(1.8 dB+1dot)/83 dB
Input damage level
+27 dBm (CW average power), 25 VDC
 Sweep section
2650A, 2652A, 2651 2658A
Sweep time
Setting range
10 ms to 30 s and AUTO
@frequency span : 0 to 2 GHz
30 ms to 30 s and AUTO
@frequency span : full span
1-3 step 10 ms to 30 s and AUTO
@frequency span : 0 to 2 GHz
30 ms to 30 s and AUTO
@frequency span : 5 GHz, full span
1-3 step
Accuracy Within ±0.1 %±1dot
@frequency span : 0 to 2GHz Within ±0.1 %±1dot
@frequency span : 0 to 5GHz
within ±1.5 %±1dot @ full span within ±2.5 %±1dot @ full span
Trigger
Trigger mode AUTO (Available only for zero span)
Trigger source Internal and External