H - Electricity – 03 – F
Patent
H - Electricity
03
F
330/105
H03F 1/32 (2006.01)
Patent
CA 1270044
Abstract A feedforward amplifier arranged as a unitized gain block particularly suitable for use in cable communication systems. The feedforward amplifier includes a single circuit board integrally mounting the directional couplers, delay lines and attenuator circuitry in a symmetrical arrangement. The main and error amplifiers are mounted separately from the main circuit board via releasable connectors and each amplifier is arranged on its substrate as a mirror image of the other to provide a symmetrical signal path. The amplifiers and the circuit board are enclosed within a compact metal housing which provides heat sinking for the amplifiers and facilitates removal of the amplifiers for servicing.
514152
General Instrument Corporation
Smart & Biggar
LandOfFree
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