Wave transmission lines and networks – Plural channel systems – Having branched circuits
Patent
1998-08-17
2000-01-11
Gensler, Paul
Wave transmission lines and networks
Plural channel systems
Having branched circuits
257735, 333246, 333247, 336197, 361782, H01P 115
Patent
active
060140666
ABSTRACT:
A stand-alone circuit board (3), a packaged surface mount PIN diode (1) and a metal ribbon (9) are mounted together in a new tented diode configuration. The flat end surface of the diode end terminal (4) is attached to a metal trace (5) on the circuit board, positioning the diode in an upstanding position, overlying the metal trace and leaving the other diode end terminal (2) in an elevated position over the circuit board. The metal ribbon wraps over the diode symmetrically extending along opposed sides of the diode to complete an electrical connect on the circuit board. In performance, the configuration emulates that prior configuration employing a thick metal plate backed circuit board. An improved RF switch incorporates the foregoing tented diode configuration.
REFERENCES:
patent: 2810891 (1957-10-01), Engelmann
patent: 3982212 (1976-09-01), Wallington et al.
patent: 4114120 (1978-09-01), Lupfer
patent: 4768004 (1988-08-01), Wilson
Sahjani & White, "Pin Diode Operation . . . ", Applied Microwave, Spring 1991, pp. 68-78 U.S.
Hewlett Packard Co, Application Note 957-1 Feb. 1990, 2 pages, U.S.
Hiller, "Design with Pin Diodes" Bulletin AG312 MA-COM Semiconductor Prod. Div, 1986 18 pages U.S.
"How to Specify Pin Diodes Switches", American Microwave Corp App. Note 1-0690, Jun. 1990, pp. 26-31 U.S.
"Simplifying the Specs of Pin Diode Switches," Algeri & Hicks, Microwaves & RF, Jul. 1986, pp. 83-91 U.S.
Grant Jeffrey A.
Harberts Harry S.
Gensler Paul
Goldman Ronald M.
TRW Inc.
Yatsko Michael S.
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