Evan Allen
UNITED STATES OF AMERICA • + Follow
Components
|
|
100nF capacitor |
x 4 | |
|
|
10uF capacitor |
x 2 | |
|
|
2n2222 transistor |
x 1 | |
|
|
150 ohm resistor |
x 1 | |
|
|
75 ohm resistor |
x 1 | |
|
|
680 ohm resistor |
x 1 | |
|
|
1k ohm resistor |
x 1 | |
|
|
4.7k ohm resistor |
x 3 | |
|
|
74LS86 |
x 1 | |
|
|
74LS04 |
x 1 | |
|
|
7805 |
x 1 |
Description
TTL to composite converter
This project takes TTL signals for horizontal sync, vertical sync, and video information and uses them to generate a proper voltage level composite signal. I have all the details on my blog here.
Schematic and Layout
github kicad files
https://github.com/abzman/small-useful-PCBs/tree/main/ttl%20to%20composite%20video%20generator
Feb 18,2024
495 views
TTL to composite converter
Convert from any polarity horizontal sync, vertical sync, and video to a composite video signal with the right voltages (timing is unchanged
495
2
0
Published: Feb 18,2024
Download Gerber file 1
BOM(Bill of materials)
PCBWay Donate 10% cost To Author
Only PCB
PCB+Assembly
*PCBWay community is a sharing platform. We are not responsible for any design issues and parameter issues (board thickness, surface finish, etc.) you choose.
Under the
Attribution-ShareAlike (CC BY-SA)
License.
- Comments(0)
- Likes(2)
Upload photo
You can only upload 5 files in total. Each file cannot exceed 2MB. Supports JPG, JPEG, GIF, PNG, BMP
0 / 10000
More by Evan Allen
-
Pelco KBD300A to Kerbal space program controller
In a lot of random scrap hardware I got one of these camera controllers. I thought I might repurpose...
-
64 bit bidirectional 5v shield for mojoV3
Level shifter board for the old Mojo V3 fpga dev board. Uses include: in-circuit vintage chip testin...
-
Chuck E Cheese solenoid board, rev.c
placeholder text, minimum 20 characters
-
50 pin 0.1" to 0.2" adapter
This is designed to adapt a special kind of IDC connector style to a more standard and readily avail...
-
TTL to composite converter
This project takes TTL signals for horizontal sync, vertical sync, and video information and uses th...
-
ratgdo esphome sensor board
Redesigned ratgdo board that includes additional i2c sensors and removed button inputs. The entire ...
-
Compact pulse generator / restart circuit
This project uses a 556 timer to generate a pulse a certain time after being turned on. That pulse i...
-
Plusdeck 2C PCI slot board replica
The full post is here: https://abzman2k.wordpress.com/2022/05/20/plusdeck-2c-pci-bracket-pcb-replica...
-
Poly88 replica
Reproduction of Poly88 computer (chassis, circuit boards, power supply). Currently I only have the t...
-
5020TF-4C cam
The recreation of a 2.5D cam with soldered together PCBs, the assembly is kind of a pain, but it wor...
You may also like
-
-
-
-
-
3D printed Enclosure Backplate for Riden RD60xx power supplies
156 1 1 -
-
