Radio-frequency integrated circuit device having adjustable matc

Details Radio-frequency integrated circuit device having adjustable matc Radio-frequency integrated circuit device having adjustable matc

1994-05-31

1995-01-24

Gensler, Paul

Wave transmission lines and networks

Coupling networks

With impedance matching

333246, H01P 500

Patent

active

053845587

ABSTRACT:
A radio-frequency integrated circuit has a transmission line which is short-circuited at an RF short-circuiting point to ground through an RF short-circuiting and DC blocking capacitor. The transmission line is connected to a bias supply point. The circuit has a matching circuit constituted by the transmission line and has a short-circuit stub and an adjusting capacitor. The short-circuit stub has first bonding points to which the bias voltage is applied and the adjusting capacitor has second bonding points which are selectively wire-bonded with the first bonding points. By selecting the positions at which the bonding points are interconnected, the impedance of the matching circuit can be adjusted.

REFERENCES:
patent: 4618838 (1986-10-01), Kajiwara et al.
patent: 4754229 (1988-06-01), Kawakami et al.
patent: 5065117 (1991-11-01), Yoshimasu

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