Questions tagged [synchronization]
Synchronization is the coordination of events to operate a system in unison. In digital systems this is usually accomplished by using a clock signal. (From: Wikipedia)
132 questions
2 votes
7 answers
772 views
How to design a single-wire synchronization topology for multiple LED flashers?
Hello, I want to design a blinking LED module that can run stand-alone, but also synchronize with other identical modules over a single shared SYNC wire. The behavior I’m trying to achieve is: Each ...
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2 votes
1 answer
105 views
Understanding H/V sync circuit in RGBHV distribution amplifier
As a hobby project and a way to learn, I'm trying to make a 1x2 RGBHV distribution amplifier. I've got the amplification for the RGB part mostly figured out but I'm clueless on how to deal with the H/...
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1 vote
1 answer
104 views
Can I do multi bit CDC using synchronizers without handshake or FIFO?
I know that asynchronous FIFO and handshake can do CDC, but the FIFO consume more resource, and handshake is a little complicated. If I have a multi bit signal "src", and it vary slowly, I ...
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-1 votes
1 answer
125 views
Latch based clock mux
I have been studying the clock muxed from this source: https://vlsitutorials.com/glitch-free-clock-mux/ In this and many other websites, the clock mux is a flip-flop-based circuit. From what I ...
2 votes
0 answers
65 views
Understanding delays in a previously built system [closed]
Today I started working with an experimental system that uses two lasers, various optics, and a master clock to control timing. The lasers, external triggers, and other devices are all connected via ...
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4 votes
1 answer
102 views
How synchronous are two GNSS receivers?
I'm not sure if this is the right place to post this, but I'm dealing with PPS (pulse per second) signals at the end of the day. I am working with multiple GNSS receivers (from different manufacturers,...
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2 votes
1 answer
223 views
Shift Phase Offset of Clock using only Digital Logic? [closed]
Suppose I have 3 separate square-wave digital 5V clocks, named A, B and C. All 3 clocks are ...
- 587
0 votes
0 answers
58 views
Phase coherence problem between two RTL-SDR's (V3 & V4)
Im currently trying to acheive some rough phase coherence between two rtl-sdr dongles, the dongles share a single 28.8 MHz clock signal (from V4 to V3). However, there seems to be some phase drift ...
- 69
1 vote
1 answer
82 views
Isn't the formula for MTBF for synchronizers 1/(chanceOfFailure/s)?
So here's the question And the answer given in the solutions The textbook (digital design and computer architecture 2e) says that MTBF (Mean Time Between Failures) for synchronizers is Which makes ...
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1 vote
0 answers
41 views
Synchronizing Two APSIN2010 Waveform Generators [closed]
I’m seeking help with synchronizing two APSIN2010 waveform generators to produce synchronized sine wave pulses. Specifically, I need to align both the frequency and timing between the two devices. I ...
2 votes
0 answers
66 views
PTP accuracy vs timestamping method
Is there an order of magnitude guesstimate on how accurate of a time sync a PTP capable device can achieve given its packet timestamping method? I have an FPGA COTS board with a standard/non-1588-...
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0 votes
1 answer
81 views
why does Quartus Prime shows a path as failing in case of CDC even though synchronizers are used?
suppose a signal is coming from a slower to a faster clock domain, and 2 levels of synchronizing FFs have been used, then the tool shows failing path from the launch node to the first synchronizing ...
- 631
1 vote
2 answers
98 views
External spread spectrum phase-shifted clocks versus unsynchronised spread spectrum in multiple buck converters
I'm working on a design where I have a need to generate about 10A at 5V across a long bar-shaped board. This is generated from an incoming 12V DC rail. For a number of reasons (physical constraints, ...
- 11.5k
0 votes
2 answers
131 views
Internal system timer oscillations on modern computers - how big can it be?
When I synchronize two computers' system clocks up to 0.5 ms precision using NTP protocol implementation, it reports several tens of milliseconds skew in less than 10 minutes, and up to 3000 ms skew ...
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5 votes
4 answers
883 views
How can I make a PAL sync generator without a microcontroller?
I would like to build a SIMPLE circuit that generates PAL sync signals with no MCUs, because they don't make any ICs of these kind anymore. I have already tried a solution, but I think it is ...
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