Q17-Amplifier
stefaweb
The Q17 is an error correction HIFI amplifier based on the QUAD405 current dumping principle.
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stefaweb
The Q17 is an error correction HIFI amplifier based on the QUAD405 current dumping principle.
| Q9 | BS250P |
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| Q15 | FQA46N15 |
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| Q16 | IXTQ36P15P |
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| U1 | OPA828 |
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| U2 | NDC7003P |
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| C1 | 470p Mica |
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| C2 | 100uF/10V BP |
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| C3,C6 | 47uF/25V |
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| C4,C5,C8,C9,C11,C12 | 100nF |
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| C7 | 2.2uF MKP | 2.2uF capacitor |
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| C10 | 47pF Mica |
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| C13,C14 | 220uF/63V | 220uF 63V capacitor |
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| C15,C16 | 470uF/63V |
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| C17 | 100nF MKP or MKT |
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| D1,D4 | RED 2V |
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| D2,D3 | 1N5248B |
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| D5,D6 | 1N5245B |
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| D7,D10 | MMSZ5245C |
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| D8,D9 | SL1M-AQ | 100V, 1A, General Purpose Rectifier Diode, SOD-123F |
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| J1 | INPUT |
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| J2-1 | SPK+ |
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| J2-2 | SPK- |
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| J3-1 | V+ |
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| J3-2 | GND |
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| J3-3 | V- |
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| L1 | 1.2uH |
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| R1 | 2k7 |
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| R2,R21 | 10k/1W |
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| R3 | 150R |
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| R4 | 1k |
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| R6 | 196R/0.5W |
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| R7-R9,R29,R30,R40,R41 | 100R |
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| R10,R13 | 8R2 |
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| R11,R12 | 47R/2W |
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| R14,R19,R20 | 330R |
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| R15 | 270R |
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| R16 | 47k | 47k resistor |
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| R17 | 4k75 |
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| R18 | 22k |
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| R23 | 8k2 |
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| R24 | 10k |
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| R25 | 7k5 |
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| R26,R28 | 22R/1W |
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| R27 | 560R/1W | 560R resistor |
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| R31 | 10R/2W |
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