JPH0397216U - - Google Patents
Info
- Publication number
- JPH0397216U JPH0397216U JP606090U JP606090U JPH0397216U JP H0397216 U JPH0397216 U JP H0397216U JP 606090 U JP606090 U JP 606090U JP 606090 U JP606090 U JP 606090U JP H0397216 U JPH0397216 U JP H0397216U
- Authority
- JP
- Japan
- Prior art keywords
- recording
- alc
- source signal
- switching circuit
- circuit
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Control Of Amplification And Gain Control (AREA)
Description
第１図は本考案のテープレコーダの録音回路の
構成を示す回路図である。
１……録音／再生ヘツド、６……録音アンプ、
１１……ＡＬＣ量選択切換スイツチ（ＡＬＣ量選
択切換回路）、１４……ＡＬＣ用トランジスタ、
１０……ソース選択切換スイツチ（ソース選択切
換回路）である。
FIG. 1 is a circuit diagram showing the configuration of a recording circuit of a tape recorder according to the present invention. 1... Recording/playback head, 6... Recording amplifier,
11...ALC amount selection switch (ALC amount selection switching circuit), 14...ALC transistor,
10... Source selection switch (source selection switching circuit).
Claims (1)
によつて磁気テープに記録するテープレコーダの
録音回路であつて、前記磁気ヘツドに導かれる録
音ソース信号の種類を選択的に切換るソース選択
切換回路と、録音ソース信号路と接地間にコレク
タ・エミツタ間が接続されたＡＬＣ用トランジス
タと、該ＡＬＣ用トランジスタのベースに前記録
音ソース信号を選択的に減衰して導くＡＬＣ量選
択切換回路とを備え、前記ソース選択切換回路の
切換に連動してＡＬＣ量選択切換回路を切換るよ
うに構成したことを特徴とするテープレコーダの
録音回路。 A recording circuit for a tape recorder that records a recording source signal on a magnetic tape by a magnetic head via a recording amplifier, the source selection switching circuit selectively switching the type of recording source signal guided to the magnetic head; an ALC transistor whose collector and emitter are connected between a recording source signal path and ground; and an ALC amount selection switching circuit that selectively attenuates and guides the recording source signal to the base of the ALC transistor; A recording circuit for a tape recorder, characterized in that an ALC amount selection switching circuit is configured to switch in conjunction with switching of a source selection switching circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP606090U JPH0397216U (en) | 1990-01-25 | 1990-01-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP606090U JPH0397216U (en) | 1990-01-25 | 1990-01-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0397216U true JPH0397216U (en) | 1991-10-07 |
Family
ID=31509743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP606090U Pending JPH0397216U (en) | 1990-01-25 | 1990-01-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0397216U (en) |
-
1990
- 1990-01-25 JP JP606090U patent/JPH0397216U/ja active Pending
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