Pulse To pulse stability and receiver protection considerations of S band transmit receive module

This paper presents an experimental investigation on transmit pulse to pulse stability and receiver protection capability of a 1.4 kw s band transmit receive module (t/r module). Most modern radar transmitters require very stable inter and intra-pulse amplitude and phase performance. This is indeed...

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Bibliographic Details
Published in2014 IEEE Radar Conference pp. 0958 - 0961
Main Authors Sen, Bulent, Kayhan, Mehmet
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.05.2014
Subjects
burn in test
PIN photodiodes
Power amplifiers
pulse to pulse stability
Radar
Radio frequency
receiver protection
Receivers
reverse recovery time
T/R module
Thermal stability
Transmitters
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Summary:This paper presents an experimental investigation on transmit pulse to pulse stability and receiver protection capability of a 1.4 kw s band transmit receive module (t/r module). Most modern radar transmitters require very stable inter and intra-pulse amplitude and phase performance. This is indeed a very challenging task due to maintaining electrical and thermal requirements in a very limited space. A compact high power t/r module is produced with a dedicated in-house waveform stability and surviving peak power test and measurement system. Lower than -60db of inter-pulse amplitude and phase stability figure is achieved at the transmitter. A peak power survivability test is also conducted at the receiver with 1.5kw and 500w peak power at duty cycles of %3 and %10, respectively. The module is exposed to operational burn in test in the lab for 12 hours and operational endurance test on the radar for 100 hours to validate its reliability.
ISSN:1097-5659
2375-5318
DOI:10.1109/RADAR.2014.6875731