BulkyModem
tebl
My significantly more expensive, slightly less capable version of the Zimodem-hardware. Surfing the BBS-world at a blazing 1200 baud (or faster)!
Components (15)
| Reference | Value | Description |
|---|---|---|
| Q1,Q2 | 2N3904 | 0.2A Ic, 40V Vce, Small Signal NPN Transistor, TO-92 |
| U1 | 74HCT244 | 8-bit Buffer/Line Driver 3-state |
| C1 | 100nF | Unpolarized capacitor, small symbol |
| C2 | 10uF | Polarized capacitor, small symbol |
| D1,D4 | 1N4731A | 1300mW Silicon planar power Zener diodes, DO-41 |
| D2 | PWR | Light emitting diode |
| D3 | EN | Light emitting diode |
| D5,D6 | 1N5819 | 40V 1A Schottky Barrier Rectifier Diode, DO-41 |
| J1 | C64_UserPort | |
| J3 | BulkyModem | |
| JP1,JP2 | UP9600 | |
| M1-M4 | Mounting | Generic connector, single row, 01x01 |
| R1,R4,R6 | 10k | Resistor, small symbol |
| R2,R5 | 1k | Resistor, small symbol |
| R3,R7 | 2k2 | Resistor, small symbol |