Data Sheet
Handheld Spectrum Analyzers
Models 2650 and 2658
Features and Benefits
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Channel power measurement
Adjacent channel power measurement
Occupied bandwidth measurement
Electric field strength measurement
(with optional dipole antennas)
Magnetic field strength measurement
(with optional magnetic field probe)
Min/Max hold
Average and overwrite mode
Marker measurement
Switchable 50 or 75 ohm input impedance
Peak search
Auto tuning
Auto range
Save/Load
Hard copy of display (with optional printer
accessory)
cUL approved
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The 2650 and 2658 are high-performance handheld spectrum analyzers providing excellent performance and
functions perfect for many different applications. It is a compact, lightweight and cost-effective unit that is ideal for
testing W-CDMA, CDMA, GSM, PDC, PHS, Wireless LAN and Bluetooth systems.
Many different accessories are available for use with the 2650 and 2658 spectrum analyzers, which may be
necessary for your application. These accessories include a wide selection of dipole antennas, a magnetic field
probe, printer, PC software, and coaxial cable and adapter kits.
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Model
Frequency Range
2650
50 kHz - 3.3 GHz
2658
50 kHz - 8.5 GHz
Technical data subject to change
© B&K Precision Corp. 2012
www.bkprecision.com
Tel.: 714.921.9095
Handheld Spectrum Analyzers
Models 2650 and 2658
Specifications
Specification s
Frequency Se ction
Frequency Range
Center Frequency
Setting resolution
100 kHz
within ±(30+20T) kHz±1 dot T: Sweep time(s)
(frequency span: 200 kHz to 10 MHz, RBW: 30 kHz, 23±5 °C)
within ±(100+700T)kHz±1dot T: Sweep time(s) (2650)
(frequency span: 20 MHz to 3.3 GHz (2650), RBW: 100 kHz, 23±5 °C
within ±(60+300T)kHz±1dot T: Sweep time(s) (2658)
(frequency span:20 MHz to 8.5 GHz (Model 2658), RBW: 100 kHz,
23±5 °C)
within ±6% of RBW (RBW: 3 kHz, 30 kHz)
within ±30% of RBW (RBW: 100 kHz to 3 MHz)
0 Hz(zero span), 200 kHz to 2 GHz (2650) (1-2-5step) or
200 kHz to 5 GHz (2658) (1-2-5step),
and 3.3 GHz (full span/ 2650) or 8.5 GHz (full span/ 2658)
within ±3%±20T kHz±1dot
(frequency span: 200 kHz to 10 MHz, 23±5 °C)
within ±3%±200T kHz±1dot (frequency span:
20 MHz to 3.3 GHz (2650), 20 MHz to 8.5 GHz (2658)
23±5 °C) T: Sweep time(s)
Frequency span/250
Frequency span/1000 (only measurement by RS-232C communication)
251dots, 1001dots (only measurement by RS-232C communication)
(The unit displays data in 251 horizontal
dots, but it internally captures the trace in 1001 dots)
3 dB bandwidth
3 kHz to 3 MHz(1-3step) and AUTO
within ±20%
1:12 (typical, 3 dB : 60 dB)
100Hz to 1MHz(1-3step), and AUTO
-90 dBc/Hz (typical, 100 kHz offset, RBW: 3 kHz,
VBW: 100 Hz, Sweep time: 0.3s)
less than -60 dBc
less than -40 dBc (100 MHz to 3.3GHz/2650),
(100 MHz to 8.5 GHz/2658)
Save/Load
Save
Load
Gene ral
Input connector
Communication Interface
Baud rate
+10 to -60 dBm (1 dB step)
within ±0.8 dB±1 dot, (center frequency: 100 MHz,
RBW: 3 MHz, VBW: 1 MHz, ATT: 0 dB, 23±5 °C)
dBm, dBV, dBmV, dBµV, dBµV/m, dBµA/m
(dBµV/m and dBµA/m using the measuring function)
-110 dBm (typical, center frequency: 100 MHz,
RBW: 3 kHz, VBW: 100 Hz)
within ±2.0 dB±1 dot (100 kHz to 100 MHz)
within ±1.0 dB±1 dot (100 MHz to 3.3 GHz/2650),
(100 MHz to 8.5 GHz/2658)
50
Ω
less than 2.0
0 to 25 dB (1 dB step), coupled with reference level
within ±0.6 dB
within ±0.6 dB
200 dots
10 dB/div, 2 dB/div
within ±0.8 dB/10 dB±1 dot,
within ±0.2 dB/2 dB±1 dot,
within ±1.6 dB/ 70 dB±1 dot
+23 dBm(CW average power), 25 VDC
Supplied Accessories
Hard copy
Display
Backlight
Resolution
Battery
External DC source
Operating temperature
Operating humidity
Storage temperature
Dimensions
Weight
SMA(J)
RS-232C
2400 to 38400 bps
Allows direct hard copy with an optional printer.
LCD
CFL backlight
240 (V) x 320 (H) dots
Ni-MH battery (optional)
DC jack,+4.75 to +5.25 VDC/4 A
0 to 40 °C (Guaranteed at 23±10 °C, without soft carrying case)
less than 40 °C/80% RH(Guaranteed at less than 33 °C /70% RH,
without soft carrying case)
-20 to 60°C, less than 60°C/70%RH
162 (W) × 70 (H) × 260 (D) mm (exclude projections and stand)
approx. 1.8 kg (include battery), approx. 1.5 kg (without battery)
Saves 100 traces and 100 setups
Loads 1 trace and 1 setup
Accuracy
50 kHz to 3.3 GHz (2650)
50 kHz to 8.5 GHz (2658)
Swee p Section
Sweep time
Setting range
10 ms to 30 s (1-3 step, frequency span: 0 to 2 GHz) and AUTO,
30 ms to 30 s (1-3 step, frequency span: full span) and AUTO (2650)
30 ms to 30 s (1-3 step, frequency span: 5 GHz) and AUTO (2658)
within ±0.1%±1 dot (frequency span: 0 to 2 GHz) (2650),
within ±0.1%±1 dot (frequency span: 0 to 5 GHz) (2658),
within ±1.5%±1 dot (frequency span: full span) (2650),
within ±2.5%±1 dot (frequency span: full span) (2658)
AUTO(frequency span: zero span)
Positive peak, Negative peak, Sample (When sweep time is 10 ms
or 30 ms, only Sample can be set)
Accuracy
Trigger mode
Detection mode
Fu nctions
Marker
RBW frequency error
Frequency Span
Setting range
NORM: displays frequency (7 digits max) and level (4 digits max) at
marker point.
DELTA: displays differential frequency and level between 2 markers.
NORM: searches a peak point within 10 div.
Available NEXT peak (10 max).
ZONE: searches a peak point within a zone designated by
center and width. Marker moves to a peak point each sweep.
NORM, MAX HOLD, MIN HOLD, AVERAGE, OVER WRITE
MAX/MIN HOLD: 2 to 1024 times, AVERAGE: 2 to 256
Channel power, Adjacent channel leakage power, Occupied frequency
bandwidth, Electric field strength (needs antenna), Magnetic field strength
(needs optional magnetic field probe) measurement.
When pushing AUTO TUNE key, the maximum level spectrum within
3.3 GHz (2650), 8.5 GHz (2658) bandwidth is adjusted to center,
and reference level, RBW,
VBW and sweep time are adjusted to optimum values.
Accuracy
Peak search
Display resolution
Calculation
Measuring
Display dot number
Resolution bandwidth
Setting range
Accuracy
Selectivity
Video bandwidth
SSB phase noise
Spurious response
Harmonics
Amplitude Secti on
Reference level
Setting range
Accuracy
Unit
Average noise level
Frequency Characteristic
Input impedance
Input VSWR
Input Attenuator
Operating range
Switching error
RBW switching error
Display dot number
Display Scale
Scale
Accuracy
Input damage level
AUTO tuning
Two Year Warranty
AC adapter (BC 2650), Soft carrying case (LC 2650), Accessory pouch,
Operating manual, Ni-MH Battery (BP 2650)
Dipole antennas (AN 301,AN 302, AN 303,AN 304, AN 305,AN 306),
Magnetic field probe (PR 26M) with a dedicated double shielded coaxial
cable, PC software (AK 2650), Printer (PT 2650) with AC adapter. 4pcs
of AA batteries, and roll paper, Roll paper refill (PX 2650) for optional
printer PT 2650 (10 rolls),1 GHz coaxial adapter kit for RF test instru-
ments (CT 2701), Deluxe spectrum accessory kits (CC265 and CC560)
Optional Accessories:
2
v020712
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