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ravinder-Olivier
A preset enabled Tonebender Mark 1.5 inspired by Chase Bliss's Preamp Mark II, with moving faders, preset recall, and MIDI. Without compromising on its analog heritage.
| Reference | Value | Description |
|---|---|---|
| U1 | ROB-14450 | |
| U2 | LM7805_TO220 | Positive 1A 35V Linear Regulator, Fixed Output 5V, TO-220 |
| U3 | LD1117V33 | 800 mA Fixed Low Drop Positive Voltage Regulator (ldo). Max input 15V. Fixed Output 3.3V. TO-220-3 |
| U4 | 74HC595 | 8-bit serial in/out Shift Register 3-State Outputs |
| U5 | D168K | One digit 7 segment ultra bright red LED, low current, common cathode |
| U6 | LT3091xT7 | –36V, 1.5A Negative Linear Adjustable Regulator with Programmable Current Limit, TO-220-7 |
| U7 | LT1054 | Switched-Capacitor Voltage Converter with Regulator, output current 100mA, operating range 3.5V to 15V, low loss 1.1V at 100mA, DIP-8/SO-8 |
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| U8,U9 | LTV-847M | DC Optocoupler, Vce 35V, CTR 50%, DIP-16 |
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| U10 | PCF8574AP | 8-bit I/O Expander, I2C interface, interrupt output, fixed address bits 0b0111xxx, DIP-16 |
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| A1 | RaspberryPi_Pico | Versatile and inexpensive microcontroller module powered by RP2040 dual-core Arm Cortex-M0+ processor up to 133 MHz, 264kB SRAM, 2MB QSPI flash; also supports Raspberry Pi Pico 2 |
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| C1,C2 | 1uF | Unpolarized capacitor,Unpolarized capacitor, rotated by 45° |
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| C3,C5-C7,C12-C14,C16 | 0.1uF | Unpolarized capacitor |
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| C4,C15,C17,C19 | 10uF | Polarized capacitor |
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| C8 | 1000uF | Polarized capacitor |
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| C9,C10 | 0.01uF | Unpolarized capacitor |
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| C11 | 47uF | Polarized capacitor |
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| C18,C20 | 2uF | Polarized capacitor |
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| D1 | 1N5822 | 1000V 1A General Purpose Rectifier Diode, DO-41 |
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| D2 | ICTE-12 | Bidirectional transient-voltage-suppression diode |
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| D3-D6 | 1N5819 | 40V 1A Schottky Barrier Rectifier Diode, DO-41 |
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| D7,D8 | D_TVS | Bidirectional transient-voltage-suppression diode |
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| J1,J2 | Conn_01x06 | Generic connector, single row, 01x06, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| J3 | Conn_01x02 | Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| R1,R2 | 100R | Resistor |
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| R3 | 196kR | Resistor |
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| R4 | 178kR | Resistor |
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| R5 | 162kR | Resistor |
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| R6 | 147kR | Resistor |
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| R7 | 127kR | Resistor |
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| R8 | 110kR | Resistor |
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| R9 | 97.6kR | Resistor |
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| R10 | 82.5kR | Resistor |
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| R11,R12 | 4.7kR | Resistor |
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| R19 | 2MR | Resistor |
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| RN1 | 150R | 7 resistor network, parallel topology |
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| RN2 | 220R | 8 resistor network, parallel topology |
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