2658A

Data Sheet Handheld Spectrum Analyzers, 3.3 GHz & 8.5 GHz Models 2650A, 2652A, 2658A Applications ■ Installation, maintenance, and troubleshooting Key features and benefits ■ of wireless communication systems such as W-CDMA/CDMA, GSM, WLAN, WiMAX and 8.5 GHz ■ Frequency response measurements of passive ■ components such as RF cables, filters, and attenuators (model 2652A) ■ A truly portable spectrum analyzer weighing only 1.8 kg including the battery Bluetooth ■ Frequency range from 50 kHz – 3.3 GHz or Impressive 4 hour battery life; easy-to-replace rechargeable Lithium-Ion battery ■ Built-in tracking generator to rapidly determine Detection of signal interference and undesired transmission characteristics of 2 port devices emissions (model 2652A) ■ TV and broadcasting ■ USB interface for PC connectivity ■ Antenna alignment ■ Intuitive PC Software for remote control and ■ Electric field strength measurement with dipole antennas optimized for typical frequencies used ■ documentation of measurement results ■ Conveniently store measurement results and in wireless systems (order M401-M406) screen shots in bitmap format to USB flash Magnetic field strength measurement with drive (USB host interface) magnetic field probe (PR 26m) ■ Large easy-to-read color display (TFT LCD), 640 x 480 resolution ■ 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. ■ Fast sweep speed, minimum 10 ms, to help ■ External trigger for zero span measurements locate and identify elusive, transient ■ SCPI-like remote control commands Model 2650A 2652A 2658A interference signals ■ DANL (displayed average noise level) of -127 dBm Single sideband phase noise – 90 dBc @ 100 kHz offset Frequency Range 50 kHz – 3.3 GHz 50 kHz – 3.3 GHz with Tracking Generator 50 kHz – 8.5 GHz Technical data subject to change © B&K Precision Corp. 2021 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 ■ ■ 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. Measurement functions: channel/adjacent 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. w w w.bk prec ision.c om Tel.: 714.921.9095 Handheld Spectrum Analyzers, 3.3 GHz & 8.5 GHz Models 2650A, 2652A & 2658A ▲ Front panel 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 Set reference level from +1 dBm to -60 dBm in 1 dB steps Simple menu-based operation via soft keys Measurement functions: • Channel power • Adjacent channel power • Occupied bandwidth • Electric field strength • Magnetic field strength Automatically tune to maximum level with full span Calculation functions: • Max hold • Min hold • Averaging • Overwrite Set sweep time and detection mode 2, 5 and 10 dB/div Save/Load trace data and setups to/from internal memory or USB flash drive Store screen images in bitmap format to flash drive or hard copy to USB printer Marker measurement and peak search Enter custom labels for filenames, set the time and date Rotary knob for parameter selection ▲ Interface PC interface - USB device (A plug) External trigger input (SMA) USB host adapter for USB flash drives Charge status indicator DC power input 2 w w w.bk prec ision.c om Handheld Spectrum Analyzers, 3.3 GHz & 8.5 GHz Models 2650A, 2652A & 2658A ▲ Versatile measurement functions 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). Electric field strength measurement A dipole antenna (options M401 – M406) connected to the RF input enables the measurement of electric field strength. Users can choose from 6 antennas based on the frequency range under investigation. Each antenna’s resonance point is optimized for the frequency spectrum of a specific wireless standard: • M401 is suitable for GSM 850/900 • M403 for W-CDMA and GSM 1800/1900 • M404 for 2.4 GHz wireless LAN and Bluetooth • M406 for 5 GHz wireless LAN Combined with the MAX HOLD function and a 10 ms sweep time, the M404 dipole antenna is capable of measuring the electric field strength of Bluetooth systems and systems using direct sequence spread spectrum/frequency hopping modulation techniques. Occupied Bandwidth This measurement calculates the bandwidth containing the total integrated power occupied in a given signal bandwidth. Two measurement methods are available: The user can specify N% of total power or the X dB down point relative to the carrier peak level. Magnetic field strength measurement Using a magnetic field probe (option PR 26M), the 2650A series is capable of accurately measuring the magnetic field distribution on a PCB (printed circuit board) or IC (integrated circuit). The magnetic field strength detector inside the probe consists of a shielded loop structure using a glass ceramic multi-layer board technology with high frequency characteristics. This enables the detection of magnetic field components only. The probe can measure over a wide frequency range of 10 MHz to 3 GHz. Since the probe’s compensation data is already preloaded into the analyzer, the magnetic field strength is displayed directly in dBuA/m. Typical applications of this magnetic field probe are evaluation of the effectiveness of a bypass capacitor located near the power supply terminal of an IC or evaluation of the microstrip layout on a PCB. Due to the probe’s high spatial resolution (approximately 0.25 mm), it is not affected by adjacent patterns. Using multiple dedicated dipole antennas leads to better measurement results compared to the conventional method of using only a single wide band antenna in which case the frequency range under investigation is typically located far away form the antenna's resonance point, resulting in poor dynamic range. Measuring at or near the resonance point where the antenna gain is at a maximum translates into high dynamic measurement range. Since the antenna gain factor compensation data is preloaded into the analyzer, the field strength is displayed directly in dBuV/m. The analyzers also support downloading of user-defined gain factor tables for custom antennas. 3 w w w.bk prec ision.c om Handheld Spectrum Analyzers, 3.3 GHz & 8.5 GHz Models 2650A, 2652A & 2658A ▲ 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 and the smaller one is retained and displayed. In both cases, the number of sweeps can be set to 2N, where N is from 1 to 10 or infinite. Overwrite The results of each consecutive sweep are displayed and the screen is not cleared after each sweep. This lets you observe the long term variations of a signal. Marker Function Two different modes are available for marker measurements: Peak Function Two different modes are available for peak search: ■ Normal peak search mode searches for the highest level on the screen. In this mode, you can also use the NEXT button to locate the marker on the next smaller peak. ■ In-zone peak search mode searches for the peak level in the range specified by the center value and width. The picture shown demonstrates in-zone peak search. ■ Normal marker mode measures the frequency and level of the marked point ■ Delta marker mode measures the frequency and level differences between the two markers (see image) Averaging The analyzer continuously sweeps, then calculates and displays the average value over the total number of sweeps. The number of sweeps can be set to 2N, where N is from 1 to 10. Averaging is useful for detecting signals buried in the noise floor because random noise is averaged out. Delta marker measurement 4 w w w.bk prec ision.c om Handheld Spectrum Analyzers, 3.3 GHz & 8.5 GHz Models 2650A, 2652A & 2658A ▲ 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 configuration of frequency, span, and amplitude  Marker and peak search functions enabling rapid measurements  200 setups and reference spectrum measurements can be stored and recalled from either internal memory or USB flash drive  Filenames can be customized and include a date and time stamp.  Large easy-to-read display. The backlight is adjustable and monochrome mode can be used for extreme lighting conditions Long battery life The 2650A provides a battery operating time of up to 4 hours (approximatly 3 ½ hours with back light set to typical settings). Battery replacement is simple and doesn’t require any hand tools. To fully charge the lithium-ion battery takes only approximately 4 hours (analyzer must be turned off). A two color LED indicates the charging status “charging”, “charge completed”, “no battery detected” and “charging error”. Center the maximum signal, configure optimum parameters ▲ Simple and flexible documentation of your measurements PC software ■ Capture 1001 trace data points (twice the number of display dots) and store the data in CSV (comma separated values) format for detailed analysis (e.g., import into a spread sheet) ■ Save the screen to a bitmap file or to the clipboard ■ Control all instrument settings from the PC ■ Download custom antenna gain factor compensation data to the instrument The 2650A series includes easy-to-use software for documentation and further analysis of your measurements. Connect the analyzer via USB cable to your PC, configure the analyzer remotely, then download measurement data and instrument settings for storage and further analysis. ■ Continuously sweep and transfer trace data to the PC. 5 Conveniently save measurement data to USB flash drive Easily save and recall measurement data and settings in CSV format directly to and from the USB flash drive. Filenames can be customized and have a time and date stamp. Users can choose to store measurement data and setups in separate files or combined in one file. Using the Copy function, a screen image in bitmap format (BMP) can be directly stored to the USB drive. CSV data residing in internal memory can be stored to the USB drive in a lump sum. Hardcopy to USB printer Generate a hard copy of the display by directly connecting the optional USB printer model PT2650A to the 2650A series analyzer. w w w.bk prec ision.c om Handheld Spectrum Analyzers, 3.3 GHz & 8.5 GHz Models 2650A, 2652A & 2658A ▲ Spectrum Analyzer with Tracking Generator, 50 kHz – 3.3 GHz Model 2652A 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) Output (tracking generator) Tracking generator specificati ons Frequency range Output Level 5 MHz to 3.3 GHz -10 dBm ± 1 dB @ 1 GHz (output level is fixed) Output flatness ±1.5dB Output impedance 50 Ω Output connectors N (J) 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 response of a circuit on the spectrum analyzer screen. The analyzer's normalize function can be used to remove the effects of the cable(s) connecting the device. This allows you to differentially measure a device's response without worrying about cable effects. APPLICATIONS Characterize the frequency response of a filter Measure the frequency response of a passive component, e.g a filter, over the 2652A’s full range of 5 MHz to 3.3 GHz. TG OUT RF IN Determine the gain characteristics of an amplifier Characterize the frequency response of an active circuit such as an amplifier. Return loss measurement Measure the return loss of an electric component or circuit with a VSWR bridge TG OUT TG OUT RF IN RF IN VSWR bridge BPF OUT AMP 6 IN OUT IN DUT 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 50 kHz to 3.3 GHz 50 kHz to 8.5 GHz Frequency section Frequency range Setting 20 kHz resolution Settable with rotary encoder, numeric or function key Accuracy Center frequency 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 Range Frequency span Accuracy Display resolution # of points per trace 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 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) within ±3% ±1dot @ sweep time of 0.3s, 23±5 °C 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.) Bandwidth 3 dB bandwidth Range 3 kHz to 3 MHz (1-3 sequence) and AUTO Accuracy ±20% Resolution 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 Range Accuracy Reference level Unit Average noise level Frequency response +10 to -60 dBm (1dB step) within ± 0.8 dB ± 1 dot @ center frequency : 100 MHz, RBW : 3 MHz, VBW : 1 MHz, REF : -15 dBm, 23±5 °C dBm, dBV, dBmV, dBµV, dBµV/m, dBµA/m (dBµV/m and dBµA/m are used for measurement functions) -127 dBm (typical) @ CF : 1 GHz, RBW : 3 kHz, VBW : 100 Hz, Ref. level < - 40 dBm ( preamp automatically ON) 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 typical Display resolution (vertical) 381 dots/10 div Scale Display scale Accuracy Input damage level 10 dB/div, 5 dB/div, 2 dB/div ±(0.2 dB+1dot)/2 dB ±(0.8 dB+1dot)/10 dB ±(0.4 dB+1dot)/5 dB ±(1.8 dB+1dot)/83 dB +27 dBm (CW average power), 25 VDC Sweep section 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 Sweep time 7 w w w.bk prec ision.c om Handheld Spectrum Analyzers, 3.3 GHz & 8.5 GHz Models 2650A, 2652A & 2658A Sweep section (cont.) Trigger mode AUTO (Available only for zero span) Trigger source Internal and External Input voltage range 1 to 10 Vp-p Frequency range DC to 5 MHz Trigger External trigger Input coupling DC coupling Trigger level approx. 0.56 V(fix) Input RC approx. 10 kΩ / less than 15 pF Input damage level ±50 V(DC+AC peak) Input connector SMA(J) Detection mode Positive peak, Negative peak, Sample Marker measurement NORM displays frequency (8 digits max) and level (4 digits max) at marker point. DELTA displays frequency difference and level difference between two markers. NORM: searches peak point within 10div (full freq. range). This mode also supports NEXT peak ( up to 10). ZONE: searches peak point within a zone designated by center and width NORM, MAX HOLD, MIN HOLD, AVERAGE, OVER WRITE MAX/MIN HOLD: 2 to 1024 AVERAGE: 2 to 256 Measure Channel power, Adjacent channel leakage power, Occupied frequency bandwidth, Electric field strength (requires antenna), Magnetic field strength (requires magnetic field probe). Automatically scans the full bandwidth, sets center frequency to the maximum signal within full span and centers it onscreen. Automatically adjusts reference level, RBW, VBW and sweep time to optimum values Function Peak search Calculations Measurements Auto tuning Save/Load Save Saves 200 reference spectrum measurements and 200 setups Load Loads one reference spectrum measurement and one setup General RF Input connector USB Communication N(J) connector Protocol USB version 1.1 (will also work with USB 2.0 devices) Device Connector B plug Transfer rate 12 Mbps Hard copy USB printer (option) connected to A plug (host) enables hard copy of screen. Host connector A plug Display Display Power supply 5.7 inch color TFT LCD Backlight LED backlight Number of dots 640(H) x 480(V) dots Dedicated Input : 100 to 240 VAC AC adaptor Output : 9 VDC/2.6 A Lithium-ion battery 7.4 V/5000 mAh Li-Ion battery (MB400) Charge function Capable of charging during power-off. Indicates 4 conditions with two color LED Charge indicator 5 level indicator of remaining battery charge Environmental and Size Operating temperature 0 to 50° 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 6.38 (W) x 2.80 (H) x 10.43 (D) inch, 162(W) x 71(H) x 265(D) mm (excluding projections, protection bumper and stand) Weight approx. 1.8 kg or 4 lbs (including battery) Included Accessories User manual, AC adaptor MA400, soft carrying case LC2650A, accessory pouch, PC software and USB cable, Lithium-Ion battery MB400, certificate of calibration. Optional Accessories Dipole antennas M401 – M406, magnetic field probe PR 26M, printer PT2650A and extra roll paper PX2650A Three-Year Warranty 8 v020921 w w w.bk prec ision.c om