JPS609309U - modulation circuit - Google Patents
modulation circuitInfo
- Publication number
- JPS609309U JPS609309U JP9949383U JP9949383U JPS609309U JP S609309 U JPS609309 U JP S609309U JP 9949383 U JP9949383 U JP 9949383U JP 9949383 U JP9949383 U JP 9949383U JP S609309 U JPS609309 U JP S609309U
- Authority
- JP
- Japan
- Prior art keywords
- mixer
- modulation circuit
- output
- carrier
- extracts
- 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
Links
Landscapes
- Amplitude Modulation (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の変調回路、第２図は本考案の実施例の１
１７２図、第３図は集積回路化した混合器の一例の回路
図、第４図は二重平衡変調回路により構成した混合器の
一例の説明図、第５図は位相比較器の一例の説明図、第
６図は動作説明図、第７図はバンドパスフィルの帯域説
明図である。
１は入力端子、２は混合器、３は出力端子、４はキャリ
ア発振器、５は増幅器、６はバンドパスフィルタ、７は
位相比較器、８は積分器、９は直流増幅器、１０は移相
器、Ｃ１〜Ｃ３はコンデンサ、Ｄは信号入力端子、Ｃは
制御信号入力端子、ＣＡＲはキャリア入力端子、ＯＵＴ
は出力端子である。Figure 1 shows a conventional modulation circuit, and Figure 2 shows an embodiment of the present invention.
Figure 172 and Figure 3 are circuit diagrams of an example of a mixer integrated into an integrated circuit, Figure 4 is an explanatory diagram of an example of a mixer configured with a double balanced modulation circuit, and Figure 5 is an illustration of an example of a phase comparator. FIG. 6 is an explanatory diagram of the operation, and FIG. 7 is an explanatory diagram of the band of the bandpass filter. 1 is an input terminal, 2 is a mixer, 3 is an output terminal, 4 is a carrier oscillator, 5 is an amplifier, 6 is a band pass filter, 7 is a phase comparator, 8 is an integrator, 9 is a DC amplifier, 10 is a phase shifter C1 to C3 are capacitors, D is a signal input terminal, C is a control signal input terminal, CAR is a carrier input terminal, OUT
is the output terminal.
Claims (1)
号と入力信号とを加える混合器と、該混合器の出力のキ
ャリア信号成分を抽出するバンドパスフィルタと、該バ
ンドパスフィルタの出力と前記キャリア信号とをそれら
の何れか一方を移相器を介して入力する位相比較器と、
該位相比較器の出力を積分して前記混合器の平衡調整用
の制御信号とする積分器とを備えたことを特徴とする変
調回路。a carrier oscillator; a mixer that adds a carrier signal from the carrier oscillator and an input signal; a bandpass filter that extracts a carrier signal component of the output of the mixer; and a bandpass filter that extracts the carrier signal component of the output of the mixer; a phase comparator inputting one of them via a phase shifter;
A modulation circuit comprising: an integrator that integrates the output of the phase comparator and uses it as a control signal for balance adjustment of the mixer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9949383U JPS609309U (en) | 1983-06-29 | 1983-06-29 | modulation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9949383U JPS609309U (en) | 1983-06-29 | 1983-06-29 | modulation circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS609309U true JPS609309U (en) | 1985-01-22 |
Family
ID=30235757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9949383U Pending JPS609309U (en) | 1983-06-29 | 1983-06-29 | modulation circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS609309U (en) |
-
1983
- 1983-06-29 JP JP9949383U patent/JPS609309U/en active Pending
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