Tools for reverse-engineering, simulating, and interfacing with the Coupling Data Unit (CDU), one of Apollo's most infamous boxes
Components (20)
| Reference | Value | Description |
|---|---|---|
| Q1-Q24 | MMBT2222 | NPN transistor, base/emitter/collector |
| U1 | LM317L_SO8 | 100mA 35V Adjustable Linear Regulator, SO-8 |
| C1-C13,C16 | 6.8uF | Polarized capacitor, US symbol |
| C14 | 0.1uF | Unpolarized capacitor |
| C15 | 1uF | Unpolarized capacitor |
| D1-D16 | 1N4148 | Diode, filled shape |
| J1 | Conn_02x31_Top_Bottom | Generic connector, double row, 02x31, top/bottom pin numbering scheme (row 1: 1...pins_per_row, row2: pins_per_row+1 ... num_pins), script generated (kicad-library-utils/schlib/autogen/connector/) |
| J2,J4 | Conn_01x24 | CONN HDR 24POS 0.1 GOLD PCB |
| J3 | Conn_02x13_Top_Bottom | Generic connector, double row, 02x13, top/bottom pin numbering scheme (row 1: 1...pins_per_row, row2: pins_per_row+1 ... num_pins), script generated (kicad-library-utils/schlib/autogen/connector/) |
| L1-L4 | 100uH | Inductor |
| R1,R3,R5,R7,R14,R16-R23,R29-R34,R43-R49,R59,R61-R65,R75-R79,R91-R95,R99 | 2000 | Resistor, US symbol |
| R2,R4,R6,R8,R15,R50,R60,R66,R80,R96 | 20k | Resistor, US symbol |
| R9-R13,R24-R28 | 51 | Resistor, US symbol |
| R35-R38,R51-R54,R67,R70,R72,R74,R81-R84 | 200 | Resistor, US symbol |
| R39-R42,R55-R58,R68,R69,R71,R73,R85-R88 | 1000 | Resistor, US symbol |
| R89 | 5100 | Resistor, US symbol |
| R90 | 500 | Resistor, US symbol |
| R97 | 30k | Resistor, US symbol |
| R98 | 13k | Resistor, US symbol |
| T1-T26 | 2:1 | Transformer, single primary, single secondary |