Title:
ACTIVE FILTER/OSCILLATOR
Document Type and Number:
Japanese Patent JPS5355944
Kind Code:
A
Abstract:
PURPOSE: To achieve a active filter/oscillator which operates as an active filter when the receiving time and also function as an oscillator which shortens the transmission rise time at the receiving time respectively through switching action, and to utilize the filter/oscillator to a selective calling device such as a mobile radio apparatus, etc.
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Inventors:
KOYADA HIROSHI
Application Number:
JP13087076A
Publication Date:
May 20, 1978
Filing Date:
October 29, 1976
Export Citation:
Assignee:
NIPPON ELECTRIC CO
International Classes:
H03B5/02; H03B5/06; H03B5/20; H03H11/04; (IPC1-7): H03B5/06
Domestic Patent References:
| JP50112043B | ||||
| JPS5036450B1 | 1975-11-25 | |||
| JPS5035148B1 |