JPS63102005U - - Google Patents
Info
- Publication number
- JPS63102005U JPS63102005U JP19711386U JP19711386U JPS63102005U JP S63102005 U JPS63102005 U JP S63102005U JP 19711386 U JP19711386 U JP 19711386U JP 19711386 U JP19711386 U JP 19711386U JP S63102005 U JPS63102005 U JP S63102005U
- Authority
- JP
- Japan
- Prior art keywords
- recording
- amplifier
- differential
- recording medium
- 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
- 230000003321 amplification Effects 0.000 claims 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 1
Description
第１図は本考案による記録再生回路の一実施例
を示すブロツク図、第２図は同実施例における差
動型記録アンプの詳細を示す回路図、第３図及び
第４図はそれぞれ従来にける記録再生回路の構成
を示すブロツク図である。
１……Ａヘツド、２……Ｂヘツド、３……記録
アンプ、５，６……トランジスタ、７，８……コ
ンデンサ、９……再生アンプ、２１，２２……切
換回路、３１，３２……３ステートバツフア、Ｄ
１，Ｄ２……ダイオード。
FIG. 1 is a block diagram showing an embodiment of a recording/reproducing circuit according to the present invention, FIG. 2 is a circuit diagram showing details of a differential recording amplifier in the same embodiment, and FIGS. 3 and 4 are respectively conventional circuit diagrams. FIG. 2 is a block diagram showing the configuration of a recording/reproducing circuit for recording and reproducing data. 1... A head, 2... B head, 3... Recording amplifier, 5, 6... Transistor, 7, 8... Capacitor, 9... Reproducing amplifier, 21, 22... Switching circuit, 31, 32... ...3-state buffer, D
1, D2...Diode.
Claims (1)
生する記録再生回路において、信号を上記記録媒
体に記録するために差動増幅を行なう差動型記録
アンプと、上記記録媒体に記録された信号を再生
する再生アンプと、上記記録アンプ及び再生アン
プを記録／再生の動作モードに応じて上記磁気ヘ
ツドに切換え接続する２つの異なる極性を組合わ
せたダイオード回路からなる切換回路とを具備し
たことを特徴とする記録再生回路。 A recording and reproducing circuit that records and reproduces signals on a magnetic recording medium using a magnetic head includes a differential recording amplifier that performs differential amplification to record signals on the recording medium, and a differential recording amplifier that performs differential amplification to record signals on the recording medium, and a differential recording amplifier that reproduces signals recorded on the recording medium. and a switching circuit consisting of a diode circuit combining two different polarities, which selectively connects the recording amplifier and the reproduction amplifier to the magnetic head according to the recording/reproduction operation mode. Recording/playback circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19711386U JPS63102005U (en) | 1986-12-22 | 1986-12-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19711386U JPS63102005U (en) | 1986-12-22 | 1986-12-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63102005U true JPS63102005U (en) | 1988-07-02 |
Family
ID=31156541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19711386U Pending JPS63102005U (en) | 1986-12-22 | 1986-12-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63102005U (en) |
-
1986
- 1986-12-22 JP JP19711386U patent/JPS63102005U/ja active Pending
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