Wide bandwidth discriminator for use in a radio receiver

Details Wide bandwidth discriminator for use in a radio receiver Wide bandwidth discriminator for use in a radio receiver

1995-10-05

1999-09-07

Le, Thanh Cong

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency or phase modulation

455206, 455303, H04B 116

Patent

active

059501189

ABSTRACT:
A wide bandwidth frequency discriminator circuit (200) employs a wide bandwidth limiting amplifier (202) to amplify the IF signal portion of a received RF signal. A frequency-to-voltage circuit 208 is provided having a bandwidth substantially greater than the bandwidth of the IF signal. This discriminator (200) operates to form a detection system capable of discriminating between desired and undesired components of the received RF signal even when said desired and undesired components are nearly identical in amplitude. This is due in part to the enhanced frequency response provided by the discriminator (200).

REFERENCES:
patent: 4328591 (1982-05-01), Baghdady
patent: 5339456 (1994-08-01), Dickerson

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