ttl to composite video generator reference design (small-useful-PCBs) | Open App NoteComponents (20)
| Reference | Value | Description |
|---|
| Q1 | PN2222A | |
|---|
| U1 | 74LS86 | |
|---|
| U2 | L7805 | |
|---|
| U3 | 74LS04 | |
|---|
| C1,C4-C6 | 100nF | |
|---|
| C2,C3 | 10uF | |
|---|
| J1 | composite video | |
|---|
| J2 | video in | |
|---|
| J3 | video polarity | |
|---|
| J4 | Hsync polarity | |
|---|
| J5 | Vsync polarity | |
|---|
| J6 | Hsync in | |
|---|
| J7 | Vsync in | |
|---|
| J8-J11 | ground if unused | |
|---|
| J12 | power in | |
|---|
| R1 | 150R | |
|---|
| R2 | 75R | |
|---|
| R3 | 680R | |
|---|
| R4 | 1K | |
|---|
| R5-R7 | 4K7 | |
|---|
small-useful-PCBs board
