B&K Precision 2658A - Datasheet User Manual
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Handheld Spectrum Analyzers, 3.3 GHz & 8.5 GHz
Models 2650A, 2652A & 2658A
Specifications
2650A, 2652A
2658A
Frequency section
Frequency range
50 kHz to 3.3 GHz
50 kHz to 8.5 GHz
Center frequency
Setting
20 kHz
resolution
Settable with rotary encoder, numeric or function key
Accuracy
within ± (30+20T) kHz±1 dot @frequency span: 200 kHz to
10 MHz, RBW 3 kHz, 23±5 °C within ± (60+300T) kHz±1dot
@frequency span: 20 MHz to max. frequency (3.3 GHz or
8.5 GHz), RBW 100 kHz, 23±5 °C
T: sweep time (s)
RBW frequency
error
within ±4 kHz @ 3 kHz, 10 kHz, 30 kHz
within 20% of RBW @ RBW: 100 kHz, 300 kHz
within 10% of RBW @ RBW: 1 MHz, 3 MHz
Frequency span
Range
0 Hz (zero span),
200 kHz to 2 GHz (1-2-5 step) and
3.3 GHz (full span)
0 Hz (zero span),
200 kHz to 5 GHz (1-2-5 step) and
8.5 GHz (Full span)
Accuracy
within ±3% ±1dot @ sweep time of 0.3s, 23±5 °C
Display resolution
# of points per trace
501dots on LCD screen, 1001dots readout via PC
(501 dots are visible on the display, 1001 dots of trace data are captured internally
and can be transferred to a PC via USB device interface.)
Resolution
Bandwidth
3 dB bandwidth
Range
3 kHz to 3 MHz (1-3 sequence) and AUTO
Accuracy
±20%
Selectivity
1:12 (typical, 3 dB : 60 dB)
Video bandwidth
100 Hz to 1 MHz (1-3 step) and AUTO
SSB phase noise
-90 dBc/Hz (typical) @100 kHz offset, RBW : 3 kHz, VBW : 100 Hz, sweep time: 1 s
Spurious response
less than -60 dBc
Harmonics
less than -40 dBc @ ≥ 100 MHz
Amplitude section
Reference level
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, dB V, dB V/m, dB A/m
(dB V/m and dB A/m are used for measurement functions)
Average noise level
-127 dBm (typical) @ CF : 1 GHz, RBW : 3 kHz, VBW : 100 Hz,
Ref. level < - 40 dBm ( preamp automatically ON)
Frequency response
within ±2.0 dB ± 1 dot @50 kHz to 100 MHz
within ±1.0 dB ± 1 dot @100 MHz to max. frequency (3.3 GHz or 8.5 GHz)
Input impedance
50 Ω
Input VSWR
< 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/10 div
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
Sweep time
Range
(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 : full span
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
Accuracy
Within ±0.1 % ±1 dot
@frequency span: 0 to 2 GHz
within ±1.5 % ±1 dot @ full span
Within ±0.1 % ±1 dot
@frequency span: 0 to 5 GHz
within ±2.5 % ±1 dot @ full span