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| Display: | LCD Touch Screen |
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With frequency range of 6.5GHz/18GHz/26.5GHz/40GHz, 4957B/D/E/F microwave analyzers integrate multiple functions such as dual-port vector network analysis, cable and antenna feeder test, vector voltage measurement, spectrum analysis (channel power, adjacent channel power, occupied bandwidth, interference analysis and frequency counting), field strength measurement and power measurement, providing you with powerful comprehensive test capabilities.
Dual-port vector network analysis can make comprehensive RF network parameters measurement quickly and accurately, providing logarithmic, linear, phase, group delay, impedance chart, polar coordinate, SWR and other display formats, and providing time domain measurement options.
Cable and antenna feeder test can measure the SWR, return loss, impedance, cable loss and other parameters of microwave networks such as antenna feeders, transmission lines and cables, and can conveniently measure impedance discontinuity points in feeders and cables, with DTF function.
The vector voltage measurement function adopts an integrated solution instead of the traditional vector voltmeter to accurately test the electrical length of cables and some other devices under test.
Spectrum analysis is a spectrum analyzer with standard functions, which can measure the spectrum characteristics comprehensively in an electromagnetic environment.
The field strength measurement function has a friendly user interface and higher test sensitivity. With the corresponding test antenna, it can effectively monitor the electromagnetic spectrum and is widely used in space electromagnetic environment monitoring and radio management.
The USB power sensor is configured to achieve large dynamic range and high-precision power measurement, and can also carry out power monitoring through the spectrum input port.
Rich testing functions: antenna feeder testing, vector network analysis, spectrum analysis, field strength measurement, power monitoring, vector voltage measurement, USB power measurement, etc
Small size, light weight, three-level environmental adaptability, easy to carry and test in special occasions
8.4 inch LCD touch screen, easy to operate, user-friendly human-machine interface, and intuitive display of results
Test data can be stored and called, providing three storage media: internal memory, USB external memory, and SD external memory
Battery powered, suitable for outdoor use, intelligent power management, with remaining battery indicator and low battery alarm functions, and sleep energy-saving function
With eight independent cursor display functions, the cursor position can slide with your fingers
With data storage, playback, and comparison functions
Equipped with USB, LAN and other interfaces for program control and data transmission
specifications
Technical Specifications
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4957B |
4957D/E |
4957F |
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Frequency range |
30kHz~6.5GHz |
30kHz~18GHz 30kHz~26.5GHz |
50MHz~40GHz (Minimum frequency can up to 10MHz) |
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Frequency accuracy |
±1×10-6 |
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Antenna |
Power level |
Large, small |
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Data points |
11~10001 |
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≥40 dB 2MHz~500MHz |
≥35 dB 50MHz~500MHz |
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Effective directivity |
≥40 dB (30kHz~6.5GHz) |
≥36 dB 500MHz~9GHz ≥32 dB 9GHz~18GHz |
≥32 dB 500MHz~18GHz ≥30 dB 18GHz~26.5GHz |
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≥30 dB 18GHz~26.5GHz |
≥28 dB 26.5GHz~40GHz |
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Frequency range |
30kHz~6.5GHz |
30kHz~18GHz/ 26.5GHz |
50MHz~40GHz (Minimum frequency can up to 10MHz) |
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Frequency accuracy |
±1×10-6 |
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Power range |
Large, small, manual |
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Output power accuracy |
±2.5dB (10MHz~6.5GHz) |
±2.5dB (10MHz~26.5GHz) |
±2.5dB (10MHz~26.5GHz) ±3.0dB (26.5GHz~40GHz) |
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≥37 dB |
≥30 dB |
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(2MHz~500MHz) |
(50MHz~500MHz) |
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Vector network analysis |
Effective source match |
≥33 dB (300kHz~6.5GHz) |
≥30 dB (500MHz~9GHz) ≥28 dB (9GHz~18GHz) |
≥25 dB (500MHz~18GHz) ≥22 dB (18GHz~26.5GHz) |
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≥25dB |
≥18dB |
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(18GHz~26.5GHz) |
(26.5GHz~40GHz) |
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±0.25dB |
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(50MHz~500MHz) |
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±0.25dB (2MHz~500MHz) |
±0.29dB (500MHz~9GHz) |
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Transmission |
±0.08dB (300kHz~6.5GHz) |
±0.29dB (500MHz~9GHz) ±0.33dB (9GHz~18GHz) |
±0.33dB (9GHz~18GHz) ±0.35dB (18GHz~26.5GHz) |
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±0.35dB (18GHz~26.5GHz) |
±0.40dB (26.5GHz~33GHz) |
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±0.50dB |
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(26.5GHz~40GHz) |
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±0.10dB |
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(50MHz~500MHz) |
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±0.10dB |
±0.13dB |
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(2MHz~500MHz) |
(500MHz~9GHz) |
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±0.06dB |
±0.13dB |
±0.14dB |
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Reflection tracking |
(300kHz~6.5GHz) |
(500MHz~9GHz) ±0.14dB |
(9GHz~18GHz) ±0.21dB |
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(9GHz~18GHz) |
(18GHz~26.5GHz) |
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±0.21dB |
±0.25dB |
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(18GHz~26.5GHz) |
(26.5GHz~33GHz) |
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±0.30dB |
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(33GHz~40GHz) |
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≥85 dB |
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(50MHz~18GHz) |
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System dynamic range |
≥95 dB (300kHz~6.5GHz) |
≥85 dB (2MHz~18GHz) ≥80 dB (18GHz~26.5GHz) |
≥80 dB (18GHz~26.5GHz) ≥75 dB (26.5GHz~33GHz) |
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≥65 dB |
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(33GHz~40GHz) |
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≥40 dB |
≥35 dB (50MHz~500MHz) ≥32 dB (500MHz~18GHz) ≥30 dB (18GHz~26.5GHz) ≥28 dB (26.5GHz~40GHz) |
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(2MHz~500MHz) |
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Effective directivity |
≥40 dB (300kHz~6.5GHz) |
≥36 dB (500MHz~9GHz) ≥32 dB |
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(9GHz~18GHz) |
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≥30 dB |
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(18GHz~26.5GHz) |
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Power monitorin g |
Frequency range |
9kHz~6.5GHz |
100kHz~18GHz 100kHz~26.5GHz |
100kHz~40GHz |
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Power range |
-80m~+20dBm |
-60dBm~+20dBm |
-50dBm~+20dBm |
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Frequency range |
9kHz~6.5GHz |
100kHz~26.5GHz |
100kHz~40GHz |
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Resolution bandwidth |
Range:10Hz~10MHz (1, 3, 10 steps) Accuracy(3.0Db): ±10% (1kHz~10MHz) |
Range:1Hz to 5MHz (1, 3, 10 steps) Accuracy(3.0Db): ±10% (3kHz~3MHz) ±15% 5MHz |
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Spectrum analysis mode |
Video bandwidth |
1Hz~10MHz (1, 3, 10 steps) |
1Hz~5MHz (1, 3, 10 steps) |
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≤-135dBm |
≤-135dBm |
≤-135dBm |
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Displ ay aver age nois e level |
Pre- ampli fier(o ff) |
(2MHz~10MHz) ≤-140dBm (10MHz~3GHz) ≤-138dBm (3GHz~6.5GHz) |
(2MHz~4.5GHz) ≤-131dBm (4.5GHz~7GHz) ≤-127dBm (7GHz~13GHz) ≤-120dBm |
(2MHz~4.5GHz) ≤-131dBm (4.5GHz~7GHz) ≤-127dBm (7GHz~13GHz) ≤-120dBm |
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(13GHz~18GHz) |
(13GHz~18GHz) |
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≤-116dBm |
≤-116dBm |
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(18GHz~26.5GHz) |
(18GHz~26.5GHz) |
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≤-113dBm |
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(26.5GHz~40GHz) |
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≤-151dBm |
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≤-151dBm |
(2MHz~4.5GHz) |
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Pre- ampli fier(o n) |
≤-150dBm (2MHz~10MHz) ≤-160dBm (10MHz~3GHz) ≤-157dBm (3GHz~6.5GHz) |
(2MHz~4.5GHz) ≤-147dBm (4.5GHz~7GHz) ≤-145dBm (7GHz~13GHz) ≤-140dBm (13GHz~18GHz) |
≤-147dBm (4.5GHz~7GHz) ≤-145dBm (7GHz~13GHz) ≤-140dBm (13GHz~18GHz) ≤-138dBm |
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≤-138dBm |
(18GHz~26.5GHz) |
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(18GHz~26.5GHz) |
≤-135dBm |
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(26.5GHz~40GHz) |
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Phase Noise |
≤-108dBc/Hz@10kHz |
≤-102dBc/Hz@30kHz |
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≤-112dBc/Hz@100kHz |
≤-99dBc/Hz@100kHz |
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(CF=1GHz) |
≤-118dBC/Hz@1MHz |
≤-110dBc/Hz@1MHz |
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±2.0dB |
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Total absolute amplitude accuracy |
±1.8dB |
±2.0dB 10MHz~18GHz ±2.3dB 18GHz~26.5GHz |
10MHz~18GHz ±2.3dB 18GHz~26.5GHz ±2.7dB 26.5GHz~40GHz |
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Except 3200MHz frequency point |
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Residual response |
≤-95dBm (Pre- amplifier on) |
≤-80dBm |
≤-70dBm |
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≤-82dBm (Pre- |
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amplifier off) |
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Maximum safe input level |
+27dBm |
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Type of test port |
N-type (female) |
N-type (female)/3.5mm (male) |
2.4mm (male) |
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Power supply |
Rechargeable lithium-ion battery or power adapter |
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Power consumption |
≤30W (excluding battery charging) |
≤45W (excluding battery charging) |
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Operating temperature |
-10ºC~+5ºC |
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Storage temperature |
-40ºC~+70ºC |
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Maximum weight |
5.3kg (excluding battery) |
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Maximum dimensions (width × height × depth) |
315mm×220mm×102mm (excluding handle and bracket) |
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Typical Application
Network Analysis (Standard Configuration)
The 4957B/D/E/F RF/Microwave Integrated Tester series network analysis frequency range is 30kHz~6.5GHz/18GHz/26.5GHz, 50Hz~40GHz, providing standard S-parameter vector network analysis and measurement capabilities. It can be used for S-parameter testing of amplifier, filter, attenuator, duplexer and other components, with display formats including logarithm, linearity, phase, group delay, impedance, polar coordinates, standing wave ratio, etc.
Spectrum analysis (standard configuration)
The spectrum analysis function (spectrum analysis, channel power, occupied bandwidth, adjacent channel power ratio, frequency counting) of the 4957B/D/E/F RF/microwave comprehensive tester series has a frequency range of 9kHz~6.5GHz, 100kHz~18GHz/26.5GHz/40GHz. It has the characteristics of wide frequency range coverage, high sensitivity, large dynamic range, good phase noise, etc., and can realize fast and efficient signal detection and measurement. Three traces can be displayed simultaneously, and different detector modes such as standard, sampling, positive peak, negative peak, and mean can be selected. It has interference analysis, spectrum diagram, waterfall diagram, data recording and playback functions.
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