JPS6284217U - - Google Patents
Info
- Publication number
- JPS6284217U JPS6284217U JP17317385U JP17317385U JPS6284217U JP S6284217 U JPS6284217 U JP S6284217U JP 17317385 U JP17317385 U JP 17317385U JP 17317385 U JP17317385 U JP 17317385U JP S6284217 U JPS6284217 U JP S6284217U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- stage amplifier
- amplifier circuit
- capacitor
- shock noise
- 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
- 239000003990 capacitor Substances 0.000 claims description 7
- 230000035939 shock Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 1
Landscapes
- Amplifiers (AREA)
Description
第１図は、本考案の一実施例を示す回路図、第
２図は従来のシヨツク音防止回路を示す回路図、
及び第３図は本考案の説明に供する為の特性図で
ある。
主な図番の説明、７…共通バイアス回路、１１
…前段増幅回路、１２…後段増幅回路、１３…急
速充電回路、１４…結合コンデンサ、１５…シヨ
ツトキーバリヤダイオード。
FIG. 1 is a circuit diagram showing an embodiment of the present invention, FIG. 2 is a circuit diagram showing a conventional shock noise prevention circuit,
and FIG. 3 are characteristic diagrams for explaining the present invention. Explanation of main figure numbers, 7 ...Common bias circuit, 11
... front stage amplifier circuit, 12 ... rear stage amplifier circuit, 13 ... quick charge circuit, 14 ... coupling capacitor, 15 ... shot key barrier diode.
Claims (1)
結合コンデンサを介して印加される後段増幅回路
と、前記前段増幅回路と後段増幅回路とを共通に
バイアスする共通バイアス回路とを備える増幅器
の電源投入時のシヨツク音を防止する為のシヨツ
ク音防止回路であつて、前記共通バイアス回路を
構成するコンデンサと、該コンデンサを急速充電
する急速充電回路と、前記コンデンサの一端と前
記後段増幅回路の入力端との間に並列接続された
ダイオード及び抵抗とから成り、前記ダイオード
及び抵抗により前記結合コンデンサを充電し、該
結合コンデンサの端子電圧が所定値に達した後に
出力信号が発生する様にして電源投入時のシヨツ
ク音を防止したシヨツク音防止回路。 Powering on an amplifier comprising a front stage amplifier circuit, a rear stage amplifier circuit to which an output signal of the front stage amplifier circuit is applied via a coupling capacitor, and a common bias circuit that commonly biases the front stage amplifier circuit and the rear stage amplifier circuit. A shock noise prevention circuit for preventing shock noise during operation, which includes a capacitor constituting the common bias circuit, a quick charging circuit that rapidly charges the capacitor, one end of the capacitor, and an input terminal of the rear stage amplifier circuit. The coupling capacitor is charged by the diode and the resistor, and an output signal is generated after the terminal voltage of the coupling capacitor reaches a predetermined value. A shock noise prevention circuit that prevents the shock noise during operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17317385U JPS6284217U (en) | 1985-11-11 | 1985-11-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17317385U JPS6284217U (en) | 1985-11-11 | 1985-11-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6284217U true JPS6284217U (en) | 1987-05-29 |
Family
ID=31110386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17317385U Pending JPS6284217U (en) | 1985-11-11 | 1985-11-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6284217U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55143807A (en) * | 1979-04-27 | 1980-11-10 | Toshiba Corp | Bias circuit of linear amplifier |
| JPS609312B2 (en) * | 1974-10-28 | 1985-03-09 | エヌ・ベー・オプテイツシエ・インダストリエ・↑：デ・オーデ・デルフト″ | Electro-optical correlation system |
-
1985
- 1985-11-11 JP JP17317385U patent/JPS6284217U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS609312B2 (en) * | 1974-10-28 | 1985-03-09 | エヌ・ベー・オプテイツシエ・インダストリエ・↑：デ・オーデ・デルフト″ | Electro-optical correlation system |
| JPS55143807A (en) * | 1979-04-27 | 1980-11-10 | Toshiba Corp | Bias circuit of linear amplifier |
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