Backlight control circuit
The utility model discloses a backlight control circuit. The anode of a diode D1 is connected with the anode of a diode D2. The cathode of the diode D1 is connected with one end of a resistor R1. The other end of the resistor R1 is connected with the positive pole of an electrolytic capacitor CE1, o...
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| creator | SU XINGGUO |
| description | The utility model discloses a backlight control circuit. The anode of a diode D1 is connected with the anode of a diode D2. The cathode of the diode D1 is connected with one end of a resistor R1. The other end of the resistor R1 is connected with the positive pole of an electrolytic capacitor CE1, one end of a capacitor C1, and a triode Q1. The triode Q1 is connected with the positive pole of a voltage stabilizing diode ZD1. The negative pole of the voltage stabilizing diode ZD1 is connected with one end of a resistor R2 and the anode of a diode D3. The other end of the resistor R2 is connected with a triode Q2. The cathode of the diode D3 is connected with one end of the resistor R3. The other end of the resistor R3 is connected with one end of a resistor R4, the cathode end of a voltage stabilizing diode ZD2, one end of a resistor R5, and the triode Q2. The triode Q2 is connected with one end of a resistor R6 and one end of a resistor R7. The other end of the resistor R6 is connected with the other end of t |
| format | Patent |
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The other end of the resistor R1 is connected with the positive pole of an electrolytic capacitor CE1, one end of a capacitor C1, and a triode Q1. The triode Q1 is connected with the positive pole of a voltage stabilizing diode ZD1. The negative pole of the voltage stabilizing diode ZD1 is connected with one end of a resistor R2 and the anode of a diode D3. The other end of the resistor R2 is connected with a triode Q2. The cathode of the diode D3 is connected with one end of the resistor R3. The other end of the resistor R3 is connected with one end of a resistor R4, the cathode end of a voltage stabilizing diode ZD2, one end of a resistor R5, and the triode Q2. The triode Q2 is connected with one end of a resistor R6 and one end of a resistor R7. 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The anode of a diode D1 is connected with the anode of a diode D2. The cathode of the diode D1 is connected with one end of a resistor R1. The other end of the resistor R1 is connected with the positive pole of an electrolytic capacitor CE1, one end of a capacitor C1, and a triode Q1. The triode Q1 is connected with the positive pole of a voltage stabilizing diode ZD1. The negative pole of the voltage stabilizing diode ZD1 is connected with one end of a resistor R2 and the anode of a diode D3. The other end of the resistor R2 is connected with a triode Q2. The cathode of the diode D3 is connected with one end of the resistor R3. The other end of the resistor R3 is connected with one end of a resistor R4, the cathode end of a voltage stabilizing diode ZD2, one end of a resistor R5, and the triode Q2. The triode Q2 is connected with one end of a resistor R6 and one end of a resistor R7. 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The anode of a diode D1 is connected with the anode of a diode D2. The cathode of the diode D1 is connected with one end of a resistor R1. The other end of the resistor R1 is connected with the positive pole of an electrolytic capacitor CE1, one end of a capacitor C1, and a triode Q1. The triode Q1 is connected with the positive pole of a voltage stabilizing diode ZD1. The negative pole of the voltage stabilizing diode ZD1 is connected with one end of a resistor R2 and the anode of a diode D3. The other end of the resistor R2 is connected with a triode Q2. The cathode of the diode D3 is connected with one end of the resistor R3. The other end of the resistor R3 is connected with one end of a resistor R4, the cathode end of a voltage stabilizing diode ZD2, one end of a resistor R5, and the triode Q2. The triode Q2 is connected with one end of a resistor R6 and one end of a resistor R7. The other end of the resistor R6 is connected with the other end of t</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | ADVERTISING ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION CRYPTOGRAPHY DISPLAY EDUCATION ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY PHYSICS SEALS |
| title | Backlight control circuit |
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