Title:
RECEIVING SYSTEM
Document Type and Number:
Japanese Patent JPS585038
Kind Code:
A
Abstract:
A synchronous receiver comprising a high frequency section realized by analog components, including an input preamplifier followed by two quadrature operated mixers with associated pi /2 phase shifter and a voltage controlled oscillator wherein the high frequency signal is converted by multiplication by means of a phase locked loop directly into the base band and lowpass filters following the mixers for select out interfering mixed products, and a low frequency section following the high frequency section. The receiver is used as a radio or television receiver and the low frequency section is realized by digital components.
Inventors:
ROBERUTO MAURAA
GEORUKU FURANKU
GEORUKU FURANKU
Application Number:
JP5614982A
Publication Date:
January 12, 1983
Filing Date:
April 06, 1982
Export Citation:
Assignee:
LICENTIA GMBH
International Classes:
H03D1/22; H03D3/00; H04B1/26; H03D3/24; H03D5/00; H04B1/30; H03D7/16; (IPC1-7): H04B1/26
Domestic Patent References:
| JPS55100757A | 1980-07-31 | |||
| JPS55134532A | 1980-10-20 | |||
| JPS5381354A |
Attorney, Agent or Firm:
Toshio Yano
Next Patent: 洗浄用基板ホルダ