BK Precision 2650
Handheld Spectrum Analyzer 50 kHz - 3.3 GHz
See also the BK Precision 2652

Channel/Adjacent Power Measurement
3 kHz - 3 MHz Resolution Bandwidth
Occupied bandwidth measurement
Electric field strength measurement (with optional dipole antennas)
Magnetic field strength measurement (with optional PR 26M Probe)
Min/Max hold
Average and over write mode
Marker measurement
Peak search
Auto Tuning
Save 100 traces and 100 setups
RS-232C Interface (optional AK 2650 PC Software available)
Hard copy of display (with optional PT 2650 Printer)

B&K 2650 Shown

Product Information
Datasheet	69 KB
Manual	1.3 MB
PDF Help

The BK 2650 handheld spectrum analyzer is a high-performance spectrum analyzer providing excellent performance and functions perfect for many different applications. It is a compact, lightweight and inexpensive unit that is ideal for testing W-CDMA, CDMA, GSM, PDC, PHS, Wireless LAN and Bluetooth systems. here are many accessories available for the BK 2650 to enhance the versatility of this high-value instrument.

Frequency section
Frequency range	50kHz to 3.3GHz
Center Frequency
Setting resolution	100kHz Allows rotary encoder, numeric key and function key
Accuracy	within ±(30+100T)kHz±1dot T : Sweep time (s) (frequency span : 200kHz to 10MHz, RBW : 30kHz, 23 ±5°C) within ±(100+700T)kHz±1dot T : Sweep time (s) (frequency span : 20MHz to 3.3GHz, RBW : 100kHz, 23 ±5°C)
RBW frequency error	within ±6% of RBW (RBW : 3kHz, 30kHz) within ±30% of RBW (RBW : 100kHz to 3MHz)
Frequency span
Setting range	0Hz (zero span), 200kHz to 2GHz (1-2-5step) and 3.3GHz (full span)
Accuracy	within ±3% ±20TkHz ±1dot (Frequency span : 200kHz to 10MHz, 23 ±5°C) within ±3% ±200TkHz ±1dot (Frequency span : 20MHz to 3.3GHz, 23 ±5°C) T : Sweep time (s)
Display resolution	Frequency span/250 Frequency span/1000 (only the measurement by RS-232C communication)
Display dot number	251dots, 1001dots (only the measurement by RS-232C communication) (The unit displays data in 251 horizontal dots, but it internally captures the trace in 1001 dots)
Resolution bandwidth	3dB bandwidth
Setting range	3kHz to 3MHz (1-3step) and AUTO
Accuracy	within ±20%
Selectivity	1 : 12 (typical, 3dB : 60dB)
Video bandwidth	100Hz to 300Hz (1-3step), OFF and AUTO
SSB Phase noise	-90dBc / Hz (typical, 100kHz offset, RBW : 3kHz, VBW : 100Hz, Sweep time : 0.3s)
Spurious response	less than -60dBc
Harmonics	less than -40dBc (50kHz to100MHz) less than -45dBc (100MHz to 3.3GHz)
Amplitude section
Setting range	+10 to -40dBm (1dB step)
Accuracy	within ±0.8dB ±1dot (center frequency : 100MHz, RBW : 3MHz, VBW : OFF, ATT : 0dB, 23 ±5°C)
Unit	dBm, dBV, dBmV, dBµV, dBµV/m, dBµA/m (dBµV/m and dBµA/m is used the measuring function)
Average noise level	-110dBm (typical, center frequency : 100MHz RBW : 3kHz, VBW : 100Hz)
Frequency Characteristic	within ±2.0dB ±1dot (50kHz to100MHz) within ±1.0dB ±1dot (100MHz to 3.3GHz)
Input impedance	50ohm
Input VSWR	less than 2.0
Input attenuator
Operating range	0 to 25dB (1dB step), coupled with reference level
Switching error	within ±0.6dB
RBW switching error	within ±0.6dB
Display resolution	0.4dB (10dB/div), 0.08(2dB/div)
Display dot number	200dot
Display scale
Scale	10dB / div, 2dB / div
Accuracy	within ±0.2dB / 2dB ±1dot within ±0.8dB / 10dB ±1dot within ±1.6dB / 70dB ±1dot
Input damage level	+20dBm (CW average power), 25VDC
Input connector	SMA (J)
Sweep section
Sweep time
Setting range	10ms to 30s (1-3step, frequency span : 0 to 2GHz) and AUTO 30ms to 30s (1-3step, frequency span : full span) and AUTO
Accuracy	within ±0.1% ±1dot ( frequency span : 0 to 2GHz) within ±1.5% ±1dot ( frequency span : full span)
Trigger mode	AUTO (frequency span : zero span)
Detection mode	Positive peak, Negative peak, Sample (when sweep time is 10ms or 30ms, only Sample can be set)
Functions
Marker	NORM : displays frequency (7 digits max) and level (4 digits max) at marker point. DELTA : displays difference frequency and level between 2 markers
Peak search	NORM : searches a peak point within 10div. Available NEXT peak (10max). ZONE : searches a peak point within a zone designated by center and width. Marker moves to a peak point each sweep
Calculation	NORM, MAX HOLD, MIN HOLD, AVERAGE, OVER WRITE * MAX/MIN HOLD : 2 to 1024 times, AVERAGE : 2 to 256
Measuring	Channel power, Adjacent channel power, Occupied frequency bandwidth, Electric field strength (needs optional antenna), Magnetic field strength (needs optional magnetic field probe) measurement
AUTO tuning	When pressing AUTO TUNE key, the maximum level spectrum within 3.3GHz bandwidth is adjusted to center, and reference level, RBW, VBW and sweep time are adjusted to optimum values
Save	Saves 100 traces and 100 setups
Load	Loads 1 trace and 1 setup
General
Interface	RS-232C
Baud rate	2,400 to 38,400bps
Hard copy	Allows direct hard copy with an optional printer
Display	LCD
Backlight	CFL backlight
Resolution	320 (H) × 240 (V) dots
Battery	Ni-MH Battery
External DC source	Pin jack, DC5V / 4A
Other
Operating temperature	0 to 40°C (Guaranteed at 23 ±10°C, without soft carrying case)
Operating humidity	less than 40°C / 80%RH (Guaranteed at less than 33°C / 70%RH, without soft carrying case)
Storage temperature	-20 to 60°C, less than 60°C / 70%RH
Dimensions	162 (W) × 70 (H) × 260 (D) mm (exclude projections and stand)
Weight	approx. 1.7kg (included battery), approx. 1.5kg(without battery)

Ordering Information
Model	Description	Buy Online	Price
2650	BK Precision 2650 Handheld 3.3GHz Spectrum Analyzer - Special Price!		$3,895.00 (Reg.$4,950.00)
Included Accessories
	1 - BC 2650 AC Adaptor 1 - LC 2650 Soft Carrying Case 1 - Accessory Pouch 1 - Fuse (installed) 1 - BP 2650 Ni-MH Battery Pack 1 - Operation Manual	Included
Optional Accessories
AK2650	PC Interface Software - The AK 2650 software and serial interface cable allows the 2650 to display screen resolutions on a PC that are four times greater then the 250 points displayed on the horizontal axis of the 2650's LCD display. The BK 2650 samples its input at 1000 points per sweep and it can output these points through its RS 232 port to a PC (the maximum transfer rate is 38,400bps). The AK 2650 not only allows for clearer screen images but it also allows spectrum analyzer setup via a PC. -		$286.00
AN301	BK Precision AN 301 Dipole Antenna (0.8 to 1GHz) -		$234.00
AN302	BK Precision AN 302 Dipole Antenna (1.25 to 1.65GHz) -		$234.00
AN303	BK Precision AN 303 Dipole Antenna (1.7 to 2.2GHz) -		$234.00
AN304	BK Precision AN 304 Dipole Antenna (2.25 to 2.65GHz) -		$234.00
AN305	BK Precision AN 305 Dipole Antenna (390 to 410MHz) -		$305.00
CC265	BK Precision CC265, Deluxe Spectrum Analyzer Accessory Kit for 2650/2658		$154.00
CC301	BK Precision CC 301 1.6ft SMA (P) to SMA (P) Coaxial Cable -		$225.00
CT2701	The CT 2701 coaxial connector adapter kit provided convenient solutions to most interconnection needs. The Universal Coaxial Adapter Kit, with its 6 universal adapters, allows assembly of hundreds of different coaxial adapters; in-series and between series. All pieces are machined brass with Teflon dielectrics and gold plated center contacts. Whether field service or bench, this kit provides an easy solution to coaxial connection requirements. - 24 Coaxial Connectors; 6 Universal Adapters Gold plated center contacts Frequency Range: DC to 1GHz VSWR <1.2:1 @ 1GHz (300MHz mini-UHF) Insertion Loss: <1dB @ 1GHz Convenient 6" x 5" Black Zipper Case		$195.00
LC2650	BK Precision LC 2650 Soft Carrying Case -		$176.80
PR26M	Magnetic Field Probe - The model 2650 is capable of precisely measuring the magnetic field distribution on a LSI or a printed circuit board using magnetic field probe PR 26M. As the magnetic field detection portion of PR 26M is of a shielded loop structure that adopts glass ceramic multi-layer board technology of excellent high frequency characteristics, it is possible to take a measurement at high reproducibility by detecting magnetic field components only. The measuring frequency range is a broad as 10MHz to 3GHz, and the measured value is calibrated in the instrument. -		$3,200.00
PT2650	Use to print hard copies of screen images. Can be operated by an AC adaptor or four AA batteries. Comes with one roll of paper. -		$551.20
PX2650	BK Precision PX 2650 Roll Paper for PT 2650 (10 Rolls) -		$98.80
ZTF1	BK Precision ZTF1 75 to 50 OHM ADAPTER -		$62.00

BK Precision 2650 Handheld Spectrum Analyzer 50 kHz - 3.3 GHz See also the BK Precision 2652

BK Precision 2650
Handheld Spectrum Analyzer 50 kHz - 3.3 GHz
See also the BK Precision 2652