Movatterモバイル変換

[0]ホーム
URL:

JPS58166137U - receiving device - Google Patents

receiving device

Info

Publication number
JPS58166137U
JPS58166137UJP6335382UJP6335382UJPS58166137UJP S58166137 UJPS58166137 UJP S58166137UJP 6335382 UJP6335382 UJP 6335382UJP 6335382 UJP6335382 UJP 6335382UJP S58166137 UJPS58166137 UJP S58166137U
Authority
JP
Japan
Prior art keywords
receiving device
changing
variable capacitance
change
capacitance diode
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
JP6335382U
Other languages
Japanese (ja)
Inventor
豊和 江口
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba CorpfiledCriticalToshiba Corp
Priority to JP6335382UpriorityCriticalpatent/JPS58166137U/en
Publication of JPS58166137UpublicationCriticalpatent/JPS58166137U/en
Pendinglegal-statusCriticalCurrent

Links

Landscapes

Abstract

Translated fromJapanese

(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

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

第１図は可変容量ダイオードの逆バイアス電圧対静電容
量特性の一例を示す図、第２図はこの考案に係る受信装
置の一実施例の要部を示す回路図、第３図は第２図の回
路の動作を説明するために用いた図、第４図はこの考案
の他の実施例を示す回路図である。、１１・・・・・・ＦＭ検波部、１２・・・・・・低周
波増幅器、１３・・・・・・減算器、１４・・・・・・
局部発振器、■。・・・・・・基準電源、ＶＣ・・・・
・・可変容量コンデンサ、Ｌ・・・・・・コイル、Ｄｖ
・・・・・・可変容量ダイオード、Ｒ１乃至Ｒ３・・・
・・・抵抗、Ｃ１乃至Ｃ１・・・・・・コンデンサ、Ｄ
ｌ・・・・・・ダイオード。Fig. 1 is a diagram showing an example of the reverse bias voltage versus capacitance characteristics of a variable capacitance diode, Fig. 2 is a circuit diagram showing the main part of an embodiment of the receiving device according to this invention, and Fig. 3 is a diagram showing an example of the reverse bias voltage versus capacitance characteristic of a variable capacitance diode. FIG. 4, which is a diagram used to explain the operation of the circuit shown in the figure, is a circuit diagram showing another embodiment of this invention. , 11...FM detection unit, 12...Low frequency amplifier, 13...Subtractor, 14...
Local oscillator,■. ...Reference power supply, VC...
...Variable capacitor, L...Coil, Dv
・・・・・・Variable capacitance diode, R1 to R3...
...Resistance, C1 to C1...Capacitor, D
l...Diode.

Claims (1)

Translated fromJapanese
【実用新案登録請求の範囲】[Scope of utility model registration request]ＦＭ検波部の検波信号から抽出した直流成分レベルに応
じ可変容量ダイオードの逆バイアスを変化させ、局部発
振器の発振周波数を変化させることにより、ＦＭ変調波
に対する同調周波数のずれを補正するＡＦＣ回路を備え
た受信装置において、前記直流成分のレベル変化に対し
て前記可変容量ダイオードの容量変化が略比例するよう
に補償する補償回路を具備してなることを特徴とする受
信装置。Equipped with an AFC circuit that corrects the deviation of the tuning frequency with respect to the FM modulation wave by changing the reverse bias of the variable capacitance diode according to the DC component level extracted from the detection signal of the FM detection section and changing the oscillation frequency of the local oscillator. 1. A receiving device comprising: a compensation circuit that compensates for a change in the capacitance of the variable capacitance diode to be substantially proportional to a change in the level of the DC component.
JP6335382U1982-04-301982-04-30 receiving devicePendingJPS58166137U (en)

Priority Applications (1)

Application NumberPriority DateFiling DateTitle
JP6335382UJPS58166137U (en)1982-04-301982-04-30 receiving device

Applications Claiming Priority (1)

Application NumberPriority DateFiling DateTitle
JP6335382UJPS58166137U (en)1982-04-301982-04-30 receiving device

Publications (1)

Publication NumberPublication Date
JPS58166137Utrue JPS58166137U (en)1983-11-05

Family

ID=30073458

Family Applications (1)

Application NumberTitlePriority DateFiling Date
JP6335382UPendingJPS58166137U (en)1982-04-301982-04-30 receiving device

Country Status (1)

CountryLink
JP (1)JPS58166137U (en)

Similar Documents

PublicationPublication DateTitle
GB1486526A (en)Variable reactance circuit
JPS58166137U (en) receiving device
JPS5827963U (en) Frequency stabilization laser device
JPH061860B2 (en) FM modulation circuit
JPS59134935U (en) AFT voltage superimposition circuit
JPS6019214U (en) FM modulation oscillation circuit
JPS59118309U (en) frequency modulation circuit
JPS606342U (en) AFC circuit
JPS58173943U (en) superheterodyne receiver
JPS5969513U (en) voltage controlled oscillator
JPS6118614U (en) voltage controlled oscillation circuit
JPH01209806A (en) voltage controlled oscillator
JPS6140020U (en) Voltage controlled oscillator circuit
JPS5991038U (en) Tracking correction circuit for high frequency amplification stage
JPS60158330U (en) Scan automatic switching electronic circuit for electronic tuning radio
JPS5976119U (en) voltage controlled oscillator
JPS615011U (en) local oscillation circuit
JPS604047U (en) Receiving machine
JPS6074335U (en) AFC circuit of radio receiver
JPS6064254U (en) Moisture meter oscillation frequency automatic correction circuit
JPS60156443U (en) High frequency power generation circuit for ICP analyzer
JPS5981111U (en) Frequency modulation demodulator
JPS5857107U (en) voltage controlled oscillator
JPS59121795U (en) AM beat interference prevention circuit for tape recorder with radio
JPS58109313U (en) oscillation circuit
[8]ページ先頭
©2009-2025 Movatter.jp