Product Overview
Techwin TW4950 series spectrum analyzer has many advantages: wide frequency range, high peroformance index, high sweep speed, various functions, and easy operation. In terms of performance index, it has excellent displayed average noise level, low phase noise, and high sweep speed. In terms of measurement functions, it has measurement functions of spectrum analyzer, inteference analyzer, AM/FM/PM analyzer, power meter, channel scanner etc. as well as intelligent measurement functions of channel power, occupied bandwidth, adjacent-channel power ratio, tune&listen, emission mask, and carrier-to-noise ratio etc. Techwin TW4950 apots the integrated design of 8.4 inch LCD and capative touch screen, which improves the display definition and operation convinience. It is handheld, compact and light, with flexible power supply, which is very suitable for field work.
Techwin TW4950 can be used for signal and equipment test in the fields of aerospace, microwave & stallite communication, radio communication, radar monitoring, electronic countermeasures & reconnaissance, and precision guidance.
Main Characteristics
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Wide frequency range: from 9kHz to 44GHz, 4 models
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Low displayed average noise level: -163dBm@1Hz RBW(typical)
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Excellent phase noise performance: -106dBc/Hz@100kHz frequency offset@1GHz carrier
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High sweep speed: for 1GHz span, shortest sweep time <20ms
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Resolution bandwidth: 1Hz～10MHz
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Full-band pre-amplifier: standard configuration
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Various measurement functions: spectrum analyzer, interference analyzer (spectrogram, RSSI),AM/FM/PM analyzer, channel scanner, high accuracy power meter etc.
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Various intelligent measurement functions: field strength measurement, channel power, occupied bandwidth, adjacent-channel power ratio, tune&listen, carrier-to-noise ratio, emission mask.
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Various auxiliary test interface: 10MHz reference input/output interface, GPS antenna interface, zero span IF output interface, external triggering input interface etc.
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Easy & convenient user operation: 8.4 inch high definition LCD and large font display, convenient capacitive touch screen operation, combination of LCD and touch screen, various display modes, and automatic adjustment of backlight brightness etc.
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Working temperature range: -10℃～55℃; Power supplied by battery or adapterTypical Applications
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Comprehensive performance evaluation of electonic weapon equipment
Techwin TW4950 series spectrum analyzer has advantages of wide frequency range, high peroformance index, high sweep speed, multiple test functions, and easy operation. It is handheld, compact and light, which can be power supplied by battery. It can be used for the field installation & calibration, repaire & maintenance of electonic weapon equipment in fields of radar, communication, electronic countermeasures & reconnaissance, and precision guidance etc. .
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Field test and diagnosis of transmitter and receiver
Techwin TW4950 serious spectrum analyzers have various measurement function modes like spectrum analyzer, inteference analyzer, AM/FM/PM analyzer, power meter, channel scanner etc. as well as various intelligent measurement functions such as channel power, occupied bandwidth, adjacent-channel power ratio, carrier-to-noise ratio, field strength measurement, emission mask etc. It can provide comprehensive spectrum analysis and diagnosis service for the field test of transmitter and receiver.
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Broadband spectrum monitoring, interference recognition
Connected with external directive antenna, Techwin TW4950 series spectrum analyzer can be used for electromagnetic environment detection, radio inteference analysis, eletromagnetic environment background assessment, sepctrum monitoring and illegal channel intefrence signal recognition.
Technical Specifications
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Model
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TW4950
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Frequency range
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TW4950A：9kHz～20GHz TW4950B：9kHz～26.5GHz
TW4950C：9kHz～32GHz TW4950D：9kHz～44GHz
Tuning resolution:1Hz
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Frequency reference
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Frequency: 10MHz
Aging: ±0.5ppm/year
Initial frequency accuracy: ±0.3ppm
Temperature stability:±0.1ppm(-10～50℃, comparative to 25℃)
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Sweep time
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Range: 10μs～600s (zero span)
Accuracy: ±2.00% (zero span)
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Frequency readout accuracy
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Frequency readout accuracy = ±(frequency readout× frequency reference error +2%× span +10%× resolution bandwidth)
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Frequency span
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Range: 100Hz～upper frequency limit of corresponding model or 0Hz
Accuracy: ±2.0%
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Resolution bandwidth
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1Hz～10MHz (1-3 times of stepping)
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Video bandwidth
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1Hz～10MHz (1-3 times of stepping)
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SSB phase noise
(carrier 1GHz)
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≤-102dBc/Hz@ frequency offset 10kHz
≤-106dBc/Hz@ frequency offset 100kHz
≤-111dBc/Hz@ frequency offset 1MHz
≤-123dBc/Hz@ frequency offset 10MHz
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Displayed average noise level
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Preamp off:
≤-138dBm(10MHz～4GHz) ≤-135dBm(4GHz～6GHz)
≤-138dBm(6GHz～20GHz) ≤-135dBm(20GHz～32GHz)
≤-127dBm(32GHz～40GHz)
Preamp on:
≤-157dBm(10MHz～4GHz) ≤-152dBm(4GHz～6GHz)
≤-157dBm(6GHz～20GHz) ≤-154dBm(20GHz～32GHz)
≤-148dBm(32GHz～40GHz)
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Residual response
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Preamp off:
≤-90dBm (10MHz～13GHz) ≤-85dBm (13GHz～20GHz)
≤-80dBm (20GHz～44GHz)
Preamp on:
≤-100dBm (10MHz～32GHz) ≤-95dBm (32GHz～44GHz)
(exceptional frequency: 1100MHz, 3200MHz)
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Second harmonic distortion
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<-60dBc (attenuation 0dB, -30dBm input signal)
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Absolute amplitude accuracy
(20℃~30℃, 30 minutes of preheating)
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±2.3dB (10MHz～40GHz)
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Input attenuator
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Attenuation range: 0dB～50dB, 10dB stepping
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Maximum Continuous Input
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+30dBm Peak typical(≥10dB attenuation)
+23dBm Peak typical(<10dB attenuation)
+13dBm Peak typical(Preamp = ON)
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Reference level
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Range: -120dBm～+30dBm
Conversion uncertainty: ±1.20dB
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Battery power supply
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About 3.0hours
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Dimension
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314mm (W)×218mm (H)×91mm (D) (excluding handle, stand)
338mm(W)×218mm (H)×100mm (D) (excluding handle, stand)
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Weight
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About 5kg (excluding battery)
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Working temperature
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-10℃～+55℃
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Storage temperature
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-40℃～+70℃
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Electromagnetic compatibility
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Conforms to GJB3947A-2009 3.9.1 requirements
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Power consumption
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≤30W (no charging to the battery)
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Test interface
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TW4950A/B: N type connector
TW4950C/D: 2.4mm connector
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Other interfaces
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10MHz reference input/output: BNC female connector
External triggering input: BNC female connector
IF output: BNC female connector
GPS antenna input: BNC female connector
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Order Information
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Main unit: TW4950A spectrum analyzer (9kHz～20GHz)
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Main unit: TW4950B spectrum analyzer (9kHz～26.5GHz)
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Main unit: TW4950C spectrum analyzer (9kHz～32GHz)
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Main unit: TW4950D spectrum analyzer (9kHz～44GHz)
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Standard configuration:
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Item
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Description
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Standard configuration accessories
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Standard 3-phase power cord
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Power adapter
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Quick guide
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USB cable
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Built-in rechargeable lithium ion battery
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Certificate of conformity
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No.
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Description
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Function
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TW4950-001
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Optional accessories of English version
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English signs、keys、menu
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TW4950-002
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User manual (Chinese)
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TW4950-003
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User manual (English)
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TW4950-004
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Programming manual (Chinese)
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TW4950-005
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Programming manual (English)
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TW4950-006
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Power adapter
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Power adapter
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TW4950-007
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Rechargeable lithium ion battery
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Standby battery
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TW4950-008
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Purple cat5e cable
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Point to point, 2 meters
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TW4950-009
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MicroSD card
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Class4, capacity: 8G
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TW4950-010
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GPS antenna
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GPS exposed antenna
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TW4950-011
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USB power meter option
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Provide USB power measurement function (Requires USB power probe:012/013/014/015)
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TW4950-012
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TW87230 USB CW power probe
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9kHz～6GHz power probe
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TW4950-013
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TW87231 USB CW power probe
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10MHz～18GHz power probe
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TW4950-014
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TW87232 USB CW power probe
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50MHz～26.5GHz power probe
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TW4950-015
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TW87233 USB CW power probe
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50MHz～40GHz power probe
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TW4950-016
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Interference analyzer option
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Provide spectrogram, RSSI measurement etc. functions
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TW4950-017
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AM/FM/PM analyzer option
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To realize modulation characteristics analysis of AM/FM/PM signals
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TW4950-018
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Channel scanner option
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To realize signal power measurement of multiple channels and frequency
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TW4950-019
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List sweep option
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To realize continuous sweep measurement of various frequency bands
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TW4950-020
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Zero span IF output
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Output the third or fourth IF signal (choose one of two)
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TW4950-021
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TW89101A antenna
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Frequency range:10kHz～20MHz
(Requires option 025)
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TW4950-022
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TW89101B antenna
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Frequency range:20MHz～200MHz
(Requires option 025)
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TW4950-023
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TW89101C antenna
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Frequency range:200MHz～500MHz
(Requires option 025)
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TW4950-024
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TW89101D antenna
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Frequency range:500MHz～4GHz
(Requires option 025)
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TW4950-025
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TW89401 antenna amplifier
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Frequency range:10kHz～4GHz,N(f)
(Requires option 021/022/023/024)
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TW4950-026
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TW89901 antenna
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Frequency range:1GHz～18GHz,N(f)
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TW4950-027
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TW89902 antenna
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Frequency range:18GHz～40GHz,2.4mm(f)
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TW4950-028
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Functional bag
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Protect the instrument
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TW4950-029
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Backpack
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Easy to carry
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TW4950-030
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Safety instrument carrying case
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Used to carry
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Industrial Lasers
Fusion Splicer