Receiver for frequency modulated signals having two...

Details Receiver for frequency modulated signals having two... Receiver for frequency modulated signals having two...

Category

H - Electricity

Subcategory

04

Subsubcategory

B

CPC

325/73

IPC codes

H04B 1/26 (2006.01) H03D 3/00 (2006.01) H03D 3/02 (2006.01) H04L 27/152 (2006.01) H03D 3/18 (2006.01) H03D 7/16 (2006.01)

Type

Patent

Patent number

CA 1143013

Description

1 PHN. 9207. ABSTRACT A receiver for frequency modulated channels comprises two phase quadrature channels with synchro- nous demodulation and low-pass filtering. The object aimed at is to provide a tunable receiver without input filter. The absence of an input filter excludes the use of a limiter and the receiver will then be sen- sitive to amplitude variations. This problem has been solved by dividing the signals in the receiver in one or two stages by an amplitude factor which is derived from the output signals of the low-phase filters.

Application Number

333943

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