H - Electricity – 03 – F
Patent
H - Electricity
03
F
H03F 1/56 (2006.01) H03F 3/195 (2006.01)
Patent
CA 2187815
A high frequency amplifier circuitry arrangement for indoor cable television includes cm amplifier that has high frequency and high power; an impedance matching circuitry for providing adequate impedance matching; a direct current bias voltage circuitry for providing the amplifier with direct current bias; a direct current choking capacitor unit for blocking out the direct current signal, so that the frequency of a program signal input from a cable television program signal port is between 5 MHz to 1000 MHz (1 GHz), and has a power gain of 10 db, 20 db or 25 db.
Circuit d'amplificateur haute fréquence pour télédistribution intérieure. Comprend un amplificateur haute fréquence et grande puissance; un circuit d'adaptation d'impédance; un circuit de polarisation en continu pour assurer la polarisation en continu de l'amplificateur; un condensateur de blocage c.c. pour bloquer le signal c.c. de sorte que la fréquence d'un signal d'entrée provenant d'un port de signal d'émission de télévision par câble soit entre 5 MHz et 1 000 MHz (1 GHz) et ait un gain de puissance de 10 db, 20 db ou 25 db.
Robic
Yee Bark-Lee
LandOfFree
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