LVDS stands for Low Voltage Differential Signalling. It is a popular high-speed (>100 Mb/s) way to connect chips.
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Correct place to attach shields for twisted pairs
I have two PCBs connected by a cable containing 5 sub-cables:
6v power through a custom made coaxial cable (similar to that found on laptop power supplies).
2x 100mbps LVDS through 100ohm impedance ...
10
votes
3answers
443 views
Measuring impedance
I am designing and building circuits which use 100Mb/s on a Low Voltage Differential Signaling (LVDS) bus. Some of these signals need to travel between PCBs on hand made cables. The problem is that I ...
7
votes
1answer
123 views
Issue with TI comparator
I'm having trouble with a comparator from TI (LMH7322). I use it in the circuit shown in the attached image "Comparator_1".
Outputs go to an FPGA. The circuit is supposed to take a single ended input ...
6
votes
1answer
707 views
Homebrew differential 'scope probe
I may be able to get my hands on an old 600MHz LeCroy oscilloscope. However, it doesn't have any probes.
Is it feasible to make an active differential probe for it using a high-speed op-amp, like the ...
3
votes
1answer
238 views
Corrupt LVDS Display
We are using an Advantech PCM-3363 PC104 board to drive a NLT Technologies NL10276BC13-01C LVDS Display in an embedded device.
While everything works fine usually, the display sometimes is corrupt.
...
2
votes
1answer
202 views
Microstrip over power plane
I am designing a 4-layer PCB with 16 channels of LVDS (differential signalling, 480MHz). My layer stackup is Signal-GND-Power-Signal. A microstrip design for the LVDS channels is usually traces over a ...
2
votes
1answer
206 views
Signal reflections at the driver?
This question is related to How do I use directional couplers on a differential signal?
I understand that if I have an impedance mismatch at the end of a signal cable, E.G. from a terminator which ...
2
votes
2answers
291 views
How do I use directional couplers on a differential signal?
I understand how a directional coupler can be used to measure signals travelling in one direction on a wire. What I don't understand is exactly how this would work on a differential signal, E.G. LVDS ...
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vote
1answer
88 views
how does bi-directional differential signalling work?
I've always thought that differential signalling was a single-sender, single-receiver, one direction architecture.
However, I've come across an SDRAM chip where DQS strobes are differential and ...
0
votes
1answer
540 views
Connecting old webcam via USB
I have removed the webcam (Chicony CNF-9157) from an old laptop with the intention of connecting it up to a computer via USB. The webcam and the LCD were connected to the motherboard by LVDS. ...
0
votes
0answers
47 views
networking platform to meet the IEC61850 sampled value requirements
I've developed a linux based simulator of the IEC 61850 sampled value publisher, even with RT linux I still can't meet the requirement to publish a message with MTU =-1500, every 1uS on a PC platform. ...
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Difference between lvds laptop LCD screens [closed]
I want to connect a 15" screen to my raspberry pi.
I'm looking for just a bare screen (eg laptop screens), not a hdmi screen.
Therefore I found this hdmi to lvds converter: ...
