beautypg.com

B&K Precision 2658A - Datasheet User Manual

Page 7

background image

7

w w w.bk prec ision.c om

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

This manual is related to the following products: