- Multiple RF testing function
- Analog standard communicaiton testing
- Auto signal testing and auto signal software
- Build-in attenuator with high power
- Optional frequency-hopping testing
- Optional dual-channel oscilloscope
- Optional digital standard communicaiton testing
Maxwellon TW4402 series radio communications tester is a multifunctional and portable model based on software radio architecture, integrates plentiful functions, like frequency-hopping signal generation and analysis, vector signal generation and demodulation analysis, analog modulation signal generation and demodulation analysis, audio signal generation and analysis, audio oscilloscope, automatic testing and so on. The tester is capable of major performance testes on transmit and receiving of radio communication equipment, measurement and analysis on feature parameters of RF, modulation, audio, and digit etc.
Wide applications of the tester cover R&D, production, verification, maintenance and repair, and testing on radio communication equipment, including short-wave/ultra short-wave radio stations, data link systems, communication and surveillance satellites, radio relay equipment. Military mobile carriers with radio communication terminals like communication vehicles, surveillance vehicles, vessels and ships, as well as external field tests can use this tester conveniently.
RF Signal Generation | |
Frequency Range | TW4402B: 1 MHz to 1.05 GHz, TW4402C: 1 MHz to 3 GHz |
Frequency Resolution | 1 Hz |
Output Level Range | • GEN: -120dBm to +5dBm(max. modulation 0dBm) • T/R interface: -130dBm to -35dBm |
Level Resolution | 0.1 dB |
Level Accuracy | ±1.5dB(>-110dBm), ±2.0dB(<-110dBm) |
SSB Phase Noise | • f ≤ 1.05GHz: -93dBc/Hz @20kHz • f >1.05GHz: -90dBc/Hz @20kHz |
Harmonic | Better than -25dBc (>1MHz, <0dBm) |
Non-harmonic | |
Internal Analog Modulation Source | Sine, square wave, triangle, saw-tooth, dual-tone (analog pilot) |
Broadband Power Measurement | |
Frequency Range | TW4402B: 400 kHz to 1.05 GHz, TW4402C: 400 kHz to 3 GHz |
Measurement Range | • ANT interface: 0.1mW – 100mW • T/R interface: 100mW – 150W |
Measurement Accuracy | 15% (≤120W, CW or frequency modulation) |
Narrow Band Power Measurement | |
Frequency Range | TW4402B: 300 kHz to 1.05 GHz (low frequency depends on small IF bandwidth) TW4402C: 300 kHz to 3 GHz (low frequency depends on small IF bandwidth) |
Measurement Accuracy | ± 2dB |
Receiving Bandwidth | 6.25, 8.33, 10, 12.5, 25, 30, 100, 300kHz |
Frequency Error Meter | |
Frequency Range | TW4402B: 300 kHz to 1.05 GHz (low frequency depends on small IF bandwidth) TW4402C: 300 kHz to 3 GHz (low frequency depends on small IF bandwidth) |
Accuracy | Frequency standards ±1Hz |
Audio Signal Generation | |
Waveform | Sine, square wave, triangle, saw-tooth |
Signal Type | Single-tone, dual-tone |
Frequency | • 20Hz – 20kHz (sine), • 20Hz – 4kHz (square wave, triangle, saw-tooth) |
Frequency Resolution | 0.1Hz |
Level Range | 1mV – 7Vrms (10kΩ load) |
Level Accuracy | ±5% (10kΩ load ≥10mVrms) |
Audio Signal Analysis | |
Input Impedance | 150Ω, 600Ω, high impedance |
Max. input Level | 30Vrms (high impedance) |
Audio Filter | • Low-pass: 300Hz, 5kHz, 15kHz, 20kHz • Band-pass: 0.3-3.4kHz, 0.3-5kHz, 0.3-15kHz, 0.3-20kHz |
Sweep Spectrum Analyzer | |
Frequency Range | TW4402B: 100 kHz to 1.05 GHz TW4402C: 100 kHz to 3 GHz |
Sweep Width | 0Hz – whole frequency bands |
Level Precision | ±1.5dB |
Min. DANL | • ANT interface: better than -125dBm • T/R interface: better than -75dBm |
Resolution Bandwidth | 30Hz – 3MHz (1-3 stepping) |
Demodulation And Analysis of Analog Modulation Signals | |
Frequency Range | TW4402B: 300 kHz to 1.05 GHz (low frequency depends on small IF bandwidth) TW4402C: 300 kHz to 3 GHz (low frequency depends on small IF bandwidth) |
Signal Format | FM, AM, SSB |
Demodulation | 6.25, 8.33, 10, 12.5, 25, 30, 100, 300kHz |
Demodulation Audio Filter | • Low-pass: 300Hz, 5kHz, 15kHz, 20kHz • Band-pass: 0.3-3.4kHz, 0.3-5kHz, 0.3-15kHz, 0.3-20kHz |
Frequency Range of Demodulation Counter | 20Hz – 20kHz |
Demodulation Counter Resolution | 0.1 Hz |
Sensitivity | < -100dBm (10dB SINAD, ANT interface) |
Demodulation And Analysis of Vector Signals (Option) | |
Frequency Range | TW4402B: 300 kHz to 1.05 GHz (low frequency depends on small IF bandwidth) TW4402C: 300 kHz to 3 GHz (low frequency depends on small IF bandwidth) |
Signal Format | GMSK, BPSK, QPSK, 8PSK, 16QAM |
Demodulation Bandwidth | 10kHz – 10MHz |
Max. Symbol Rate | 5 MHz |
Frequency-hopping Signal Analysis (option) | |
Filter | RC, RRC, GAUSS |
Transient Bandwidth | 60MHz, 30MHz, 15MHz, 7.5MHz, 3.75MHz, 1.875MHz |
Capture Storage Depth | 8 GB |
Analysis Domain | Time-frequency (modulation domain), time-amplitude, time-spectrum (waterfall chart), spectrum at random time |
Min. Time Resolution | 10 ns |
Dual-channel Oscilloscope | |
Frequency Range | DC to 4 MHz |
Vertical Scale | 10mV – 10V/mark (1, 2, 5 stepping) |
Horizontal Scale | 1us – 1s/mark (1, 2, 5 stepping) |
Coupling Type | DC, AC |
Input Impedance | 1 MΩ |
Digital SequenceGeneration And Bit Error Rate Measurement (option) | |
Digital Format | PN3, PN5, PN9, PN11 |
Baud Rate | 300bps – 1Mbps (BPSK, GMSK, 2FSK, 2ASK) |
Bit Error Rate Measurement Range | 0.1 – 0.000001 |
Internal Time-base | • Frequency: 10MHz; • Aging rate: 1×10-7/year; • Temperature stability: ±0.05ppm (0 – 50°C) |
General Specifications | |
Interface | • RF: GEN interface(TNC), T/R interface(type N), ANT interface(TNC) • BNC: audio input, audio output, oscilloscope input etc • Others: network port (support remote control), 26-core testing bus interface, USB-host interface etc. |
Power Supply | • Internal AC: 220V±10%, frequency 50Hz±5%; • External DC: 24V±2V (16V is Acceptable); • Built-in and rechargeable battery: ≥11000mAh (option) |
Dimension | 426 (H) × 222 (W) × 180 (D) mm (without handles and auxiliaries) |
Weight | ≤ 12kg |
Ordering Information
Part No. | Name | Description |
TW4402B | Radio Communications Test Set | 300 kHz to 1.05 GHz |
TW4402C | Radio Communications Test Set | 300 kHz to 3 GHz |
Options
Part No. | Name | Description |
TW4402-H01 | Built-in Lithium Battery | / |
TW4402-S01 | Vector Signal Generation and Bit Error Rate Measurement | Software |
TW4402-S02 | Vector Signal Demodulation and Analysis | Sotfware |
TW4402-S03 | Frequency-hopping Signal Generation | Sotfware |
TW4402-S04 | Frequency-hopping Signal Analysis | Sotfware |
TW4402-S05 | Dual-channel Oscilloscope | Sotfware |
