IMPROVED RC FILTER POLE FOR FM TRANSMITTERS

IMPROVED RC FILTER POLE FOR FM TRANSMITTERS

An RC filter pole (R 1 , C 1 ) for FM transmitters converts an internal 2-pole Bessel-type filter (R 1 , C 1 , C 2 ) on a chipset (BH141XS/F) by adding an external filter function to create a 3-pole composite filter with improved roll-off characteristics. The design methodology and specific low cost...

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1. Verfasser: GLISSMAN JOHN
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRONIC CIRCUITRY
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
RESONATORS
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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creator GLISSMAN JOHN
description An RC filter pole (R 1 , C 1 ) for FM transmitters converts an internal 2-pole Bessel-type filter (R 1 , C 1 , C 2 ) on a chipset (BH141XS/F) by adding an external filter function to create a 3-pole composite filter with improved roll-off characteristics. The design methodology and specific low cost circuit implementation of the composite filter effectively minimizes the impact of signal degradation on overall link performance.
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subjects BASIC ELECTRONIC CIRCUITRY
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
RESONATORS
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
title IMPROVED RC FILTER POLE FOR FM TRANSMITTERS
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