Receiver with an antenna switch, in which sensitivity and qualit

Details Receiver with an antenna switch, in which sensitivity and qualit Receiver with an antenna switch, in which sensitivity and qualit

1997-06-23

1999-12-28

Bost, Dwayne D.

Telecommunications

Receiver or analog modulated signal frequency converter

With wave collector

4552772, 455283, 455 83, H04Q 732

Patent

active

060093161

ABSTRACT:
In a receiver having an antenna switch (23) which is connected between a receiving section (24) and an antenna (21) for adjusting a received signal so that the received signal has, as a current signal level, one of a first and a second signal level, a switch control section (26) controls an operation of the antenna switch by the use of a current signal level of the received signal and a first and a second reference level which are determined in first and second determining sections (27, 28), respectively. In order to detect the current signal level, a signal level detection circuit (25) is connected to the antenna switch. It is preferable that a signal level holding circuit (34) is connected between the signal level detection circuit and the switch control section and is for holding the current signal level during a predetermined time duration.

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