Handheld Spectrum Analyzers, 3.3 GHz & 8.5 GHz Models 2650A, 2652A, 2658A

Product catalog summary

Overview
The B&K Precision 2650A series handheld spectrum analyzers are designed for portability and precision, weighing only 1.8 kg and offering features comparable to full-size bench models. They operate for up to 4 hours on a single battery charge and are ideal for field measurements in the 50 kHz to 8.5 GHz range.

Applications
The 2650A series is suitable for installation, maintenance, and troubleshooting of wireless communication systems, frequency response measurements of passive components, signal interference detection, TV broadcasting, antenna alignment, and field strength measurements.

Key Features and Benefits

Frequency range from 50 kHz to 3.3 GHz or 8.5 GHz.
Lightweight and portable with a 4-hour battery life.
Built-in tracking generator for transmission characteristics (model 2652A).
USB interface for PC connectivity and data storage.
Large color display with intuitive controls.
Measurement functions include channel power, adjacent channel power, and field strength.
Auto Tune function for optimal settings.

Performance
The 2650A series features a fast sweep speed and a displayed average noise level (DANL) of -127 dBm, providing accurate spectrum analysis. It includes advanced functions like Max Hold, Min Hold, and Averaging for detailed signal investigation.

Measurement Functions

Occupied Bandwidth: Calculates bandwidth containing total integrated power.
Channel Power: Measures total or noise power in a specified bandwidth.
Adjacent Channel Power: Measures power leakage into adjacent channels.
Electric and Magnetic Field Strength: Measured using dipole antennas and magnetic field probes.

Ease of Use
The analyzers offer simple operation with features like Auto Tune, customizable settings, and easy data storage to USB drives. The PC software allows remote control and detailed analysis of measurements.

Specifications
The 2650A series offers a frequency range of 50 kHz to 3.3 GHz or 8.5 GHz, with various measurement and calculation functions. It includes a tracking generator for models like the 2652A, enhancing its utility for RF device testing.

Conclusion
The B&K Precision 2650A series provides a comprehensive solution for portable spectrum analysis, combining ease of use, advanced features, and robust performance for field engineers and technicians.

Technical Specifications
The handheld spectrum analyzers, models 2650A, 2652A, and 2658A, operate with a frequency response within ±2.0 dB from 50 kHz to 100 MHz and within ±1.0 dB up to a maximum frequency of 3.3 GHz or 8.5 GHz. The input impedance is 50 Ω with a VSWR of less than 2.0. The input attenuator operates in a range of 0 to 25 dB in 1 dB steps. The display resolution is 381 dots/10 div with scale options of 10 dB/div, 5 dB/div, and 2 dB/div. The input damage level is +27 dBm (CW average power) and 25 VDC.

Sweep Section
The sweep time ranges from 10 ms to 30 s and is adjustable automatically. The accuracy is within ±0.1% for spans up to 2 GHz and within ±1.5% for full spans. Trigger modes include AUTO, with internal and external sources, and the input voltage range for external triggers is 1 to 10 Vp-p.

Detection and Measurement Functions
Detection modes include positive peak, negative peak, and sample. Marker measurements display frequency and level at marker points, with peak search capabilities. Calculations include NORM, MAX HOLD, MIN HOLD, AVERAGE, and OVER WRITE. Measurements cover channel power, adjacent channel leakage power, occupied frequency bandwidth, and field strengths.

Save/Load Capabilities
The device can save 200 reference spectrum measurements and setups, and load one reference spectrum measurement and setup.

General Features
The RF input connector is an N(J) connector, with USB communication via a B plug and a transfer rate of 12 Mbps. The display is a 5.7-inch color TFT LCD with LED backlight. Power is supplied via a dedicated input of 100 to 240 VAC or a 7.4 V/5000 mAh lithium-ion battery.

Environmental and Size
Operating temperature ranges from 0 to 50°C, with storage temperatures from -20 to 60°C. The dimensions are 162(W) x 71(H) x 265(D) mm, and the weight is approximately 1.8 kg.

Warranty and Accessories
The product comes with a three-year warranty and includes accessories such as a user manual, AC adaptor, carrying case, and USB cable. Optional accessories include dipole antennas, a magnetic field probe, and a printer.

Catalog excerpts

Handheld Spectrum Analyzers, 3.3 GHz & 8.5 GHz Models 2650A, 2652A, 2658A-1

Data Sheet Truly portable solution for quick and precise spectrum analysis B&K Precision's 2650A series handheld spectrum analyzers are compact, light weight, and cost-effective spectrum analyzers for quick and precise signal investigations, especially away from the bench. At a weight of only 1.8 kg (4 pounds), the 2650A series are by far the lightest full-featured spectrum analyzer available, yet they deliver performance and features comparable to full-size bench spectrum analyzers and can operate up to 4 hours on a single battery. With their ease of use, measurement flexibility, and unmatched portability, the 2650A series analyzers are indispensible tools for engineers and technicians who conduct field measurements in the 50 kHz to 8.5 GHz range. Applications ■ Installation, maintenance, and troubleshooting of wireless communication systems such as W-CDMA/CDMA, GSM, WLAN, WiMAX and Bluetooth ■ Frequency response measurements of passive components such as RF cables, filters, and attenuators (model 2652A) ■ Detection of signal interference and undesired emissions ■ TV and broadcasting ■ Antenna alignment ■ Electric field strength measurement with dipole antennas optimized for typical frequencies used in wireless systems (order M401-M406) ■ Magnetic field strength measurement with magnetic field probe (PR 26m) Superb performance improves your productivity Advanced synthesizer-based design enables the 2650A series to provide you with an accurate and detailed picture of the spectrum you are investigating. ■ Fast sweep speed, minimum 10 ms, to help locate and identify elusive, transient interference signals ■ DANL (displayed average noise level) of -127 dBm ■ Single sideband phase noise - 90 dBc @ 100 kHz offset c(^l)us LISTED Key features and benefits ■ Frequency range from 50 kHz - 3.3 GHz or 8.5 GHz ■ A truly portable spectrum analyzer weighing only 1.8 kg including the battery ■ Impressive 4 hour battery life; easy-to-replace rechargeable Lithium-Ion battery ■ Built-in tracking generator to rapidly determine transmission characteristics of 2 port devices (model 2652A) ■ USB interface for PC connectivity ■ Intuitive PC Software for remote control and documentation of measurement results ■ Conveniently store measurement results and screen shots in bitmap format to USB flash drive (USB host interface) ■ Large easy-to-read color display (TFT LCD), 640 x 480 resolution ■ Measurement functions: channel/adjacent channel power, occupied bandwidth, electric and magnetic field strength ■ Convenient Auto Tune function automatically sets center frequency to the maximum signal within full span and optimum settings for RBW, VWB and sweep time ■ External trigger for zero span measurements ■ SCPI-like remote control commands Technical data subject to change © B&K Precision Corp. 2012

Open the catalog to page 1

Handheld Spectrum Analyzers, 3.3 GHz & 8.5 GHz Models 2650A, 2652A, 2658A-2

Large color screen (640 x 480 pixels) can be switched to high contrast monochrome display in extreme sunlight RF Input (N-connector), able to withstand 27 dBm (CW average power)/25V DC max Simple menu-based operation via soft keys Set reference level from +1 dBm to -60 dBm in 1 dB steps PEAK SEARCH Automatically tune to maximum level with full span Set sweep time and detection mode Store screen images in bitmap format to flash drive or hard copy to USB printer Enter custom labels for filenames, set the time and date ▲ Interface PC interface - USB device (A plug) USB host adapter for Measurement...

Open the catalog to page 2

Handheld Spectrum Analyzers, 3.3 GHz & 8.5 GHz Models 2650A, 2652A, 2658A-3

Channel power measurement Allows you to measure the total power or noise power in a user-specified bandwidth. Adjacent channel power Measure the ratio of power leakage (from the wanted signal) into adjacent channels. Center frequency, adjacent channel bandwidth, and offset between main carrier and adjacent channels can be set. Users can select from any of the following three measurement methods based on the reference carrier definition: total power (of displayed spectrum), peak power (reference level) and in-band power (user-specified band width). Occupied Bandwidth This measurement calculates...

Open the catalog to page 3

Handheld Spectrum Analyzers, 3.3 GHz & 8.5 GHz Models 2650A, 2652A, 2658A-4

Handheld Spectrum Analyzers, 3.3 GHz & 8.5 GHz Models 2650A, 2652A & 2658A L Calculation and Marker functions Max and Min Hold Max Hold: At each displayed frequency, the currently-measured value is compared to the previously-measured value and the larger one is retained and displayed. This feature is useful for observing a bursted or intermittent signal or for measuring the electric field strength of systems using direct sequence spread spectrum/frequency hopping modulation techniques. Min hold: At each displayed frequency, the currently-measured value is compared to the previously-measured value...

Open the catalog to page 4

Handheld Spectrum Analyzers, 3.3 GHz & 8.5 GHz Models 2650A, 2652A, 2658A-5

Handheld Spectrum Analyzers, 3.3 GHz & 8.5 GHz Models 2650A, 2652A & 2658A L Easy operation The 2650A series handheld spectrum analyzers are straightforward to operate and provide many functions to facilitate quick and easy measurements:  Smart one button “Auto Tune" function which automatically scans the full frequency range, detects and centers the maximum signal, and configures optimum values for RBW, VBW, sweep time and reference level Detect the maximum level within full span.  Input attenuator and internal preamp are set automatically to optimal values based on the reference level  Easy...

Open the catalog to page 5

Handheld Spectrum Analyzers, 3.3 GHz & 8.5 GHz Models 2650A, 2652A, 2658A-6

Handheld Spectrum Analyzers, 3.3 GHz & 8.5 GHz Models 2650A, 2652A & 2658A Built-in transmission measurement The 2652A is a 2650A with a tracking generator added. The 2652A can be used to rapidly determine transmission characteristics of two-port RF devices. Input (spectrum analyzer) Tracking generators are ideal for tuning filters, determining the usable frequency range of amplifiers and attenuators and aligning receiver IF stages. The tracking generator's output frequency is the same as the frequency the spectrum analyzer is tuned to. This lets you see the amplitude Output (tracking generator)...

Open the catalog to page 6