Wave transmission lines and networks – Plural channel systems – Having branched circuits
Patent
1995-06-05
1996-05-21
Gensler, Paul
Wave transmission lines and networks
Plural channel systems
Having branched circuits
333104, H01P 115
Patent
active
055193641
ABSTRACT:
A high-frequency switch, having a first port, a second port and a third port and serving to selectively connect the second port to the first or third port, includes a first distributed constant line and a second distributed constant line which are connected in series between the first and second ports, a third distributed constant line and a fourth distributed constant line which are connected in series between the second and third ports, a first diode connected between the first port and the ground, a second diode connected between a junction point between the first and second distributed constant lines and the ground, a third diode connected between a junction point between the third and fourth distributed constant lines and the ground, a fourth diode connected between the third port and the ground, a first resistor and a second resistor which are connected in series between grounded electrodes of the first and fourth diodes, and a third resistor and a fourth resistor which are connected in series between grounded electrodes of the second and third diodes, wherein the first and second diodes have different polarity, the third and fourth diodes have different polarity and the first and fourth diodes have different polarity with respect to a line between the first and third ports.
REFERENCES:
patent: 3678414 (1972-07-01), Hallford
Furutani Koji
Kato Mitsuhide
Tsuru Teruhisa
Gensler Paul
Murata Manufacturing Co. Ltd.
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