KR880010831U - 오디오 증폭기의 자동 이득조정 회로 - Google Patents
오디오 증폭기의 자동 이득조정 회로Info
- Publication number
- KR880010831U KR880010831U KR2019860018715U KR860018715U KR880010831U KR 880010831 U KR880010831 U KR 880010831U KR 2019860018715 U KR2019860018715 U KR 2019860018715U KR 860018715 U KR860018715 U KR 860018715U KR 880010831 U KR880010831 U KR 880010831U
- Authority
- KR
- South Korea
- Prior art keywords
- adjustment circuit
- automatic gain
- audio amplifier
- gain adjustment
- amplifier
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
- H03G3/301—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable
- H03G3/3015—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable using diodes or transistors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
- H03F1/305—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in case of switching on or off of a power supply
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/007—Protection circuits for transducers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Amplifiers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019860018715U KR900001440Y1 (ko) | 1986-11-28 | 1986-11-28 | 오디오 증폭기의 자동 이득조정 회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019860018715U KR900001440Y1 (ko) | 1986-11-28 | 1986-11-28 | 오디오 증폭기의 자동 이득조정 회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR880010831U true KR880010831U (ko) | 1988-07-28 |
KR900001440Y1 KR900001440Y1 (ko) | 1990-02-26 |
Family
ID=19257448
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019860018715U KR900001440Y1 (ko) | 1986-11-28 | 1986-11-28 | 오디오 증폭기의 자동 이득조정 회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR900001440Y1 (ko) |
-
1986
- 1986-11-28 KR KR2019860018715U patent/KR900001440Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR900001440Y1 (ko) | 1990-02-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
MX158312A (es) | Amplificador digital de audio | |
GB8409892D0 (en) | Setting gain of amplifier | |
DE3781120T2 (de) | Automatische verstaerkungsregelung einer verstaerkerschaltung. | |
GB8614920D0 (en) | Amplifier gain control circuit arrangements | |
KR880010831U (ko) | 오디오 증폭기의 자동 이득조정 회로 | |
FR2532492B1 (fr) | Circuit amplificateur audio | |
KR880005499U (ko) | 텔레비젼의 음성자동 뮤팅회로 | |
KR880018681U (ko) | Vhf 광대역 전력 증폭기의 자동 레벨 조정회로 | |
KR880013871U (ko) | 음향기기의 증폭기 출력 레벨 자동 조절 장치 | |
KR880003527U (ko) | 오디오 출력 레벨의 자동 조절회로 | |
KR870003037U (ko) | 오디오 증폭기의 뮤팅회로 | |
KR910006495U (ko) | 음성 응답장치의 자동이득 조정회로 | |
KR890001813U (ko) | 저음 전용 앰프 뮤팅회로 | |
KR880005374U (ko) | 차동증폭기를 사용한 오디오 앰프의 클릭음 제거회로 | |
KR870017519U (ko) | 윤곽 보정 신호의 이득 조절회로 | |
KR870007597U (ko) | 텔레비젼 출력 앰프의 뮤팅 회로 | |
KR890014598U (ko) | 음향기기의 자동청감 보정회로 | |
KR870017249U (ko) | 더블덱크 출력앰프의 뮤팅회로 | |
KR890004023U (ko) | 파워(power)앰프의 스피커 자동선택회로 | |
KR900001768U (ko) | 자동 이득 증폭회로 | |
KR890011491U (ko) | Vcr의 오디오 뮤팅회로 | |
KR880014008U (ko) | 차동 증폭기를 이용한 자동 주파수 제어회로 | |
KR930018893U (ko) | Mac신호의 자동이득제어앰프회로 | |
KR890007822U (ko) | 자동이득 제어회로 | |
KR880005397U (ko) | 음향기기의 뮤팅 회로 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
REGI | Registration of establishment | ||
FPAY | Annual fee payment |
Payment date: 19980124 Year of fee payment: 9 |
|
LAPS | Lapse due to unpaid annual fee |