KR900003895U - Pwm식 파워앰프 회로 - Google Patents
Pwm식 파워앰프 회로Info
- Publication number
- KR900003895U KR900003895U KR2019880012025U KR880012025U KR900003895U KR 900003895 U KR900003895 U KR 900003895U KR 2019880012025 U KR2019880012025 U KR 2019880012025U KR 880012025 U KR880012025 U KR 880012025U KR 900003895 U KR900003895 U KR 900003895U
- Authority
- KR
- South Korea
- Prior art keywords
- power amplifier
- amplifier circuit
- pwm power
- pwm
- circuit
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F3/217—Class D power amplifiers; Switching amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K4/00—Generating pulses having essentially a finite slope or stepped portions
- H03K4/06—Generating pulses having essentially a finite slope or stepped portions having triangular shape
- H03K4/08—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
- H03K4/48—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices
- H03K4/50—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor
- H03K4/56—Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements semiconductor devices in which a sawtooth voltage is produced across a capacitor using a semiconductor device with negative feedback through a capacitor, e.g. Miller integrator
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/351—Pulse width modulation being used in an amplifying circuit
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019880012025U KR910005633Y1 (ko) | 1988-07-26 | 1988-07-26 | Pwm식 파워앰프 회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019880012025U KR910005633Y1 (ko) | 1988-07-26 | 1988-07-26 | Pwm식 파워앰프 회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR900003895U true KR900003895U (ko) | 1990-02-08 |
KR910005633Y1 KR910005633Y1 (ko) | 1991-07-27 |
Family
ID=19277816
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019880012025U KR910005633Y1 (ko) | 1988-07-26 | 1988-07-26 | Pwm식 파워앰프 회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR910005633Y1 (ko) |
-
1988
- 1988-07-26 KR KR2019880012025U patent/KR910005633Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR910005633Y1 (ko) | 1991-07-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
REGI | Registration of establishment | ||
FPAY | Annual fee payment |
Payment date: 19970829 Year of fee payment: 9 |
|
LAPS | Lapse due to unpaid annual fee |