Model NO.: Keysight Signal Generator
Trademark: Techwin
Origin: Zhejiang, China
Multifunction Techwin Signal Generator equal to Keysight Signal Generator  lab test Equipment 
Vector Signal Generator TW4400
        250kHz-20GHz(TW4400A), 250kHz-44GHz(TW4400C)
 
Product Overview:
TW4400 signal generators are vector signal generator products with high performances and newly proposed by Techwin. It has excellent vector modulation functions in the frequency range of 250kHz~44GHz. The baseband signal generator with the features of easy to set, flexible performance and multiple modulation formats, can edit and download the dedicated waveform and simulate variety of signals to fulfill the requirement of users. Vector Signal Generator TW4400 has broad internal and external vector modulation bandwidth to meet the demand for broadband signal simulation. It has excellent quality for both CW signal and vector modulation signal. It is an ideal LO source ,clock source and high performance complex simulation signal source, which are mainly used in the comprehensive evaluation of radar system performances, testing of high-performance receiver and testing of components' parameters. It is applied to many fields, such as aviation, aerospace, radar, communication and navigation equipment.
Main Features:
 
Vector modulation signal covering 44GHz
Excellent vector modulation signal
Broad vector modulation signal output
Broadband I/Q input modulation
Internal broadband multi-modulation baseband signal generation function
Excellent analog modulation
High performance pulse modulation
Chinese / English user interface, TFT color LCD screen
USB auto upgrades
Various interfaces ports
Vector modulation signal can cover 44GHz:
Vector Signal Generator TW4400 can provide vector modulation signals in the range of 250kHz~44GHz to meet the demand of signal simulation in different frequency range.
Excellent vector modulation signal:
The vector modulation signal of TW4400 , with EVM(% RMS)<2.5%(symbol rate 4MHz),origin deviation<-40dBc, can meet the testing demand of radar system development and satellite communication.
Broad vector modulation signal output:
Vector Signal Generator TW4400 can generate RF broadband vector modulation signal with 80MHz bandwidth through internal baseband and 160MHz modulation bandwidth through external I/Q.
 
Broadband I/Q input modulation:
Vector Signal Generator TW4400 supports external arbitrary waveform with RF modulation bandwidth of 500MHz.
Internal broadband multi-mode baseband signal generation function:
Vector Signal Generator TW4400 can generate digital modulation (real-time) and ARB(64MHz sample points), 80MHz RF broadband baseband signal.
Excellent analog modulation:
Vector Signal Generator TW4400 has excellent analog modulation functions, such as AM,FM,ØM and it supports the inputs of internal and external modulation sources. Vector Signal Generator TW4400 has excellent DCFM function with modulation rate of DC~10MHz and excellent DCØM function with modulation rate of DC~1MHz. It has two operation modes: linear AM and log AM, with the linear AM modulation depth over 90%.
High performance pulse modulation:
Vector Signal Generator TW4400 has high performance pulse modulation function. When the frequency is over 3.2GHz, the specifications are modulation depth>80dB,modulation speed<20ns,Min. pulse width 40ns. It also supports multiple trigger mode ,such as gating and external, etc.
Typical Applications:
Radar equipment anti-interference performance testing
Vector Signal Generator TW4400 has wide frequency range, broad vector modulation bandwidth and strong signal simulation functions. It can simulate and generate complex interference signals of actual combat during the process of anti-interference performance testing of radar equipments to make anti-interference testing on the radar equipments.

 
Satellite equipments performance testing
Vector Signal Generator TW4400 can provide vector modulation signal with high accuracy and good repeatability to test the performance of the satellite equipments.
 
Communication countermeasure equipments performance testing
 
Vector Signal Generator TW4400 has variety of modulation formats and big modulation bandwidth. It can generate the stimulus signals of various modulation formats and bandwidths in the frequency range of microwave and millimeter-wave to test the performance of communication countermeasure equipments.