Christopher RYU
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ea7c90dfce
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Add pull-up resistors where appropriate.
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2023-07-30 19:53:06 +09:00 |
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Christopher RYU
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819d7f47a0
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Oops, flip transistor around.
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2023-07-29 17:37:44 +09:00 |
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Christopher RYU
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00e81100b7
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Checkpoint.
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2023-07-20 07:07:15 +09:00 |
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Christopher RYU
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ee1dc4359b
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Add jumper for single-connector FloppyEmu support.
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2023-07-19 11:59:51 +09:00 |
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Christopher RYU
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814b73442a
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Adjust resistor placement.
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2023-07-18 17:00:27 +09:00 |
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Christopher RYU
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40e086a8a8
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Align U7 with rest of row, add decoupling cap, add calibration information.
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2023-07-18 16:13:17 +09:00 |
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Christopher RYU
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245af989b8
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Align resistor and tighten tracks.
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2023-07-18 15:22:26 +09:00 |
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Christopher RYU
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fcbd642f1f
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Shift top IC row down a bit to make room for flat transistor ...
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2023-07-18 14:44:27 +09:00 |
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Christopher RYU
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95c12f20e5
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Move capacitor in case we want to reposition the transistor.
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2023-07-18 09:46:53 +09:00 |
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Christopher RYU
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e53156d86b
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Switch to TO-220 for better clearance.
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2023-07-18 09:31:36 +09:00 |
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Christopher RYU
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c3c98ea406
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Add all missing bypass capacitors.
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2023-07-18 09:21:48 +09:00 |
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Christopher RYU
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8deda74495
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Replace jumpers with DIP switch.
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2023-07-18 08:44:13 +09:00 |
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Christopher RYU
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99844496bf
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Reduce resistor footprint length.
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2023-07-18 08:35:39 +09:00 |
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Christopher RYU
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1621afa43a
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Switch from axial to radial capacitors.
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2023-07-18 08:24:04 +09:00 |
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Christopher RYU
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57e7a657a2
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Normalize power rail trace widths.
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2023-07-18 08:19:58 +09:00 |
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Christopher RYU
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5459bf5336
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Add test points, reduce size of bypass caps and move to better location.
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2023-07-18 08:11:47 +09:00 |
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Christopher RYU
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1f28446a46
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Use ground pours.
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2023-07-18 07:30:29 +09:00 |
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Christopher RYU
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0caadf74e9
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Add additional ripple-filtering capacitor per Franklin schematic.
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2023-07-18 07:15:58 +09:00 |
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Christopher RYU
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44d1fb3650
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Most capacitors are non-polarized.
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2023-07-17 08:59:32 +09:00 |
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Christopher RYU
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2c0104d331
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Clean up and modularize schematic.
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2023-07-17 08:34:51 +09:00 |
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Christopher RYU
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22aa75f0b7
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Add jumpers to select Micro-SCI / Franklin timing behavior.
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2023-07-16 13:34:42 +09:00 |
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Christopher RYU
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151b864303
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Clean up schematic.
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2023-07-16 12:21:38 +09:00 |
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Christopher RYU
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92d099a7b2
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v0.2: use a 2716/2732 EPROM.
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2023-07-16 11:54:43 +09:00 |
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Christopher RYU
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1b3356bba9
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Switch to 2716/2732.
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2023-07-16 11:48:36 +09:00 |
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Christopher RYU
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49e16246c5
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Fix URL.
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2023-07-16 11:23:02 +09:00 |
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Christopher RYU
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4dc2dcec35
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Board verified working (change C2/C3 values, note Franklin board difference)
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2023-07-16 11:19:59 +09:00 |
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Christopher RYU
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59aa7096e0
|
Initial commit.
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2023-07-10 05:40:39 +09:00 |