JPS6019251U - FM transmitter/receiver - Google Patents

FM transmitter/receiver

Info

Publication number
JPS6019251U
JPS6019251U JP10998383U JP10998383U JPS6019251U JP S6019251 U JPS6019251 U JP S6019251U JP 10998383 U JP10998383 U JP 10998383U JP 10998383 U JP10998383 U JP 10998383U JP S6019251 U JPS6019251 U JP S6019251U
Authority
JP
Japan
Prior art keywords
frequency
local oscillator
receiver
antenna
keyboard
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP10998383U
Other languages
Japanese (ja)
Inventor
福田　晋「じ」
慶一 鈴木
Original Assignee
富士通テン株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 富士通テン株式会社 filed Critical 富士通テン株式会社
Priority to JP10998383U priority Critical patent/JPS6019251U/en
Publication of JPS6019251U publication Critical patent/JPS6019251U/en
Pending legal-status Critical Current

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Landscapes

  • Transceivers (AREA)
  • Superheterodyne Receivers (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

図面は本考案の一実施例を示すブロック図である。 図中、１はアンテナ、２は高周波段、５はローカル発振
器、７は可変分周器、９はループフィルタ、２０は送受
信切換スイッチ、２１は増幅器、２２はミキサ、ＰＬＬ
はフェイズロックドループである。The drawing is a block diagram showing an embodiment of the present invention. In the figure, 1 is an antenna, 2 is a high frequency stage, 5 is a local oscillator, 7 is a variable frequency divider, 9 is a loop filter, 20 is a transmission/reception switch, 21 is an amplifier, 22 is a mixer, and PLL
is a phase-locked loop.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ＰＬＬシンセサイザ方式のＦＭラジオ受信機のアンテナ
を受信時には該受信機の高周波段側に接続し、また送信
時には該受信機のローカル発振器側に接続する送受信切
換スイッチと、該ローカル発振器の出力を増幅して該ア
ンテナに供給する増幅器と、周波数選択キーを有するキ
ーボードと、該ローカル発振器の周波数を設定するＰＬ
Ｌの可変分周器に、該キーボードからの入力を受けて受
信周波数もしくはそれとは中間周波数の差を持つ送信周
波数を設定するための分周値をセットする処理装置と、
ＰＬＬの該ローカル発振器の入力段でループフィルタの
直流出力に送信音声信号を重量するミキサとを備えてな
ることを特徴とする、ＰＬＬシンセサイザ方式のＦＭラ
ジオ受信機を利用したＦＭ送受信装置。The antenna of a PLL synthesizer type FM radio receiver is connected to the high frequency stage side of the receiver when receiving, and connected to the local oscillator side of the receiver when transmitting, and a transmit/receive switch that amplifies the output of the local oscillator. an amplifier for supplying the antenna to the antenna; a keyboard having frequency selection keys; and a PL for setting the frequency of the local oscillator.
a processing device that receives input from the keyboard and sets a frequency division value in the L variable frequency divider for setting the reception frequency or a transmission frequency that is different from the reception frequency by an intermediate frequency;
1. An FM transmitting/receiving device using a PLL synthesizer type FM radio receiver, comprising a mixer for adding a transmission audio signal to the DC output of a loop filter at the input stage of the local oscillator of the PLL.
JP10998383U 1983-07-15 1983-07-15 FM transmitter/receiver Pending JPS6019251U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10998383U JPS6019251U (en) 1983-07-15 1983-07-15 FM transmitter/receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10998383U JPS6019251U (en) 1983-07-15 1983-07-15 FM transmitter/receiver

Publications (1)

Publication Number Publication Date
JPS6019251U true JPS6019251U (en) 1985-02-09

Family

ID=30255980

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10998383U Pending JPS6019251U (en) 1983-07-15 1983-07-15 FM transmitter/receiver

Country Status (1)

Country Link
JP (1) JPS6019251U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0213678U (en) * 1988-07-08 1990-01-29

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5157116A (en) * 1974-11-14 1976-05-19 Alps Electric Co Ltd Fm toranshiiba

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5157116A (en) * 1974-11-14 1976-05-19 Alps Electric Co Ltd Fm toranshiiba

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0213678U (en) * 1988-07-08 1990-01-29

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