Tagged Questions

0
votes
1answer
165 views

Video Composite signals

What are the considerations for PCB layout, and connector selection for video signals. Is it necessary to follow 75ohm impedance criteria in a closed system. The pipeline starts at Sony FCB IX 11 A ...
4
votes
2answers
277 views

Routing considerations of analog signals on twisted pairs

I'm designing a part of a system that will receive 4 analog signals carried on 4 twisted pair cables which are input to an ADC. These signals are low speed (probably in KHz) bipolar ranging from -10V ...
5
votes
1answer
423 views

Analog Video PCB Layout

What special considerations and/or constraints are typically applied when routing analog video signals on a PCB (e.g. VGA, NTSC, etc). I'm thinking try and keep them routed on a single layer (i.e. at ...
8
votes
2answers
902 views

When do I need to use a clock buffer IC?

I am designing a circuit and PCB for driving 7 DACs from an FPGA. (DAC is AD9762) Would it be possible to drive the clock inputs on all 7 DACs with a single clock output (from a PLL output pin) of ...
3
votes
1answer
316 views

Decoupling of A/D converter

I am working on a project that requires the usage of a AD7656 16-bit high speed converter. This chip comes in a 64-LQFP package, which means the package is rather small. Because the prototype boards ...
4
votes
4answers
463 views

Feasibility of introducing RF delay via PCB trace?

The Background My main background is embedded software but I have had to debug the analog circuitry myself so I've picked up a little bit here and there, enough so to describe the problem in a ...