Wire shielding for RF circuit boards and amplifiers

Details Wire shielding for RF circuit boards and amplifiers Wire shielding for RF circuit boards and amplifiers

1990-10-01

1991-12-10

Mottola, Steven

Amplifiers

Involving structure other than that of transformers per se

With printed circuits

330 68, H03F 100

Patent

active

050721933

ABSTRACT:
The ease of manufacture and performance of printed circuit board RF amplifier and other electronic apparatus requiring a high degree of internal shielding is improved by distributing DC or other signals through rigid conduits having at least one flat side and containing the desired power or signal wires. The rigid conduit is typically soldered, flat side down, at multiple locations to an AC ground plane. The wires exit the conduit through side exit holes and end holes. Side holes are desirably provided at regular intervals. The flat side prevents or reduces rolling or other misalignment of the conduit during assembly, thereby easing circuit board construction. Conduits with square cross-sections are preferred.

REFERENCES:
patent: 3368150 (1968-02-01), Worcester

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