STC function for high performance radar

PublishTime：2021-07-26

■NJR has developed a new LNFE which allows the OEM to use sensitivity timing control (STC).This function can expand the dynamic range of receiving signal from low to high reflected signal level from the target on long range to very short range. Sensitivity timing control is used on high performance, high seas radar. It is a timing control which adds extra attenuation to protect the low noise amplifier from saturating from strong, short range targets. This happens in storms, channels, or rivers where the radar signals are reflected back quickly by short range targets. This strong return signal saturates the amplifier and the radar does not perform. With STC it protects the LNA from saturating so the radar always works.It is necessary to control to match the signal level to available amplifying level by amplifier. High power limiter (HPL) with STC and LNFE with STC can be controlled the input attenuation by the applied bias voltage. The signal level is controlled at each timing by the applied synchronized bias voltage.
■This function is installed into below types of LNFE.
●NJT1045 include variable attenuator for STC.
●NJT1046 include variable attenuator for STC and on board high power limiter.

Brand of Product：	NJR
Part#：	NJT1045 、 NJT1046 More Part#
Product Category：	More
Application：	More
Data Type：	Application note & Design Guide More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
Package：
Language：	English Chinese Chinese and English Japanese
Date of Creation：	2021/07/05
Version Number：	Rev.3
Data Encoding：
Data Size：	172 KB

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