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Composite video for 48k Capacitor orientationHello, My multisystem TV is acting up and I'm unable to navigate the menu to tune in the RF signal for my speccys. However the A/V input still works.…
Placing capacitor between signal and ground will allow it ... looked into what causes the interference, and frankly, I am at ... output circuit for the video signal. Since it is only in ... -
Timex 2048 + Interface 2When playing with ZXC3 cartridge (very nice piece of HW from Paul - highly recommended), I connected original Sinclair IF2 to TC2048 and... no joysti…
... , but how does that cause interference if you read from port ... to set the data bus signal. When using программнго ensure ZX ... -
Spectrum 48k unstable Colours on Composite Video OutputHi, I?ve an Speccy 48k here which has an Composite Video Out Mod (The Video-Modulators power input is cut from the board). On this I get an unstabl…
... 't look like general interference on the video signal because it doesn ... , though I suppose if the interference is from the ULA accessing ... -
Spectrum 48k unstable Colours on Composite Video OutputHi, I?ve an Speccy 48k here which has an Composite Video Out Mod (The Video-Modulators power input is cut from the board). On this I get an unstabl…
... 't look like general interference on the video signal because it doesn ... , though I suppose if the interference is from the ULA accessing ... -
New RouterOver the last week i'd been getting intermittent drops on my internet connection, it would last about a minute then come back on but the drops were g…
I was thinking along the lines of interference although the wireless signal has not been affected, the only thing in here is my mobile and thats nowhere near the router.
I think i'll have to call Sky back....:sad: -
New RouterOver the last week i'd been getting intermittent drops on my internet connection, it would last about a minute then come back on but the drops were g…
... along the lines of interference although the wireless signal has not been ... irrelevant.
I was meaning interference causing the DSL to lose ... -
New RouterOver the last week i'd been getting intermittent drops on my internet connection, it would last about a minute then come back on but the drops were g…
... lightning box.. also changed the signal / noise ratio... the connection is ... 's to do with electrical interference .. get them to check for ... -
Spectrum +2 little help pleaseHi all, Firstly let me say, what an amazing site this is! So much incredible detail and information, created by what looks to be a very dedicated an…
those lines look like interference at a frequency close to the refresh rate.
What happens if you tun the speccy and TV onto a different frequency (adjust the ferrite core in the modulator to change the frequency of the TV signal) -
using the raspberry pi for the zx spectrumI just saw where they are now using a Pi to emulate a floppy disk drive for the Amiga. So it got me wondering if this could be done for the ZX Spectr…
... likely get a better WiFi signal than other devices you might ... aren't getting a good signal from downstairs.[/QUOTE]
signal is really bad you can ... you have a lot of interference from other networks. -
using the raspberry pi for the zx spectrumI just saw where they are now using a Pi to emulate a floppy disk drive for the Amiga. So it got me wondering if this could be done for the ZX Spectr…
... at least that only gets interference from the microwave oven and ... energy you put into your signal? As such, simply because the ... powerline is wired, the signal power is a fraction of ... they effectively break up the signal in multiple frequencies (about 1000 ... -
using the raspberry pi for the zx spectrumI just saw where they are now using a Pi to emulate a floppy disk drive for the Amiga. So it got me wondering if this could be done for the ZX Spectr…
... reduce the amount of interference they cause by reducing ... wiring which will radiate that signal.
On ... between devices so that the signal stays inside the transmission ... It's faster, immune to interference, and almost infinitely scalable. Unlike ... -
using the raspberry pi for the zx spectrumI just saw where they are now using a Pi to emulate a floppy disk drive for the Amiga. So it got me wondering if this could be done for the ZX Spectr…
... to the fact that the signal is NOT electromagnetic, but ... .
The minute electromagnetic signal generated by the wiring is ... ultra-low-power EM noise signal be interfering with, that ... that *any* short-wave noise/interference would interfere with. Unless your ... -
using the raspberry pi for the zx spectrumI just saw where they are now using a Pi to emulate a floppy disk drive for the Amiga. So it got me wondering if this could be done for the ZX Spectr…
... to the fact that the signal is NOT electromagnetic, but ... br /> The minute electromagnetic signal generated by the wiring is ... waves. The consequences are radio interference.
[QUOTE=skagon ... you care at all?
Interference, you say. [U]Interfering ... -
using the raspberry pi for the zx spectrumI just saw where they are now using a Pi to emulate a floppy disk drive for the Amiga. So it got me wondering if this could be done for the ZX Spectr…
... And like I said, the interference would be so minute (a ... air that carries the RF signal. The system is used widely ... modulated signals without any major interference on the RF spectrum, then ... the phases for the modulated signal, which would obviously filter out ... -
using the raspberry pi for the zx spectrumI just saw where they are now using a Pi to emulate a floppy disk drive for the Amiga. So it got me wondering if this could be done for the ZX Spectr…
... air that carries the RF signal. The system is used ... signals without any major interference on the RF spectrum, ... the phases for the modulated signal, which would obviously filter ... telephone wires would be generating interference when talking (frequences there ... -
Composite picture qualityI have read many many discussions here about the composite video modification of the Spectrum 16/48K models. I have choosen one of the simplest comp…
Interference from clocks getting into the video signal on the power rails perhaps?
Have you replaced electrolytic capacitors on these machines or are they original. -
Internet connection question.Having some problems with my internet and was wondering if anybody could help. I changed ISP and got a new router and what not and everything is wor…
... that could interfere witht he signal? I can't put my ... is near a few potentially interference generating devices. -
Almost no picture on a toastrack Issue 6UI?d need some help with a toastrack, that hardly shows any picture on both the RF and RGB. It?s totally distorted. I had this before and I remembered…
... failed attempt to reduce sound interference on the video picture...
signal from the "first" stage of ... -
TEA2000 mod for better CVBS quality?Has anyone tried this before? :confused: [URL=http://s1063.photobucket.com/user/JRT480/media/Evenmoreperfect_zpse2505ab9.jpg.html][IMG]http://i1063…
... to band-limit the chrominance signal. The PAL specification states that ... separate chrominance from the composite signal in this range but outside ... they are sent separately. No interference whatsoever. -
Video on single transistor composite video modification for 48K SpectrumsI made a video on the single transistor composite video mod, using an Issue two Spectrum although it applies to all issues. Much better than the sing…
... ) information into a single (composite) signal. It exists in every composite ... of reducing luminance and chrominance interference on the 128K TEA2000 circuit ... -
Video on single transistor composite video modification for 48K SpectrumsI made a video on the single transistor composite video mod, using an Issue two Spectrum although it applies to all issues. Much better than the sing…
... ) information into a single (composite) signal. It exists in every composite ... of reducing luminance and chrominance interference on the 128K TEA2000 circuit ... -
Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
Dot crawl?Hi, As I'm rather new to the hardware of the spectrum, just to confirm: is this video showing "Dot crawl" ? [url]https://www.youtube.com/watch?v=_U…
... a combination of signal cross-talk (interference on the video signal from the ...New Spectrum User - Inveterate UpgraderI've been asking a few questions about my Speccy, which is the first I've owned despite my advancingh years. I was a C64 kid, but please don't hold …
... to have a bit of interference on the screen when you ... pop in between the composite signal and the socket, but I ...New Spectrum User - Inveterate UpgraderI've been asking a few questions about my Speccy, which is the first I've owned despite my advancingh years. I was a C64 kid, but please don't hold …
... to have a bit of interference on the screen when you ... pop in between the composite signal and the socket, but I ... Spectrums suffer from some "slight" "interference" due to the colour crystal ... ).
However, if the interference is bad, then there may ...Spectrum 48k ProblemsHi all Got my 48k today but it's playing up abit... First time i turn it on it was like this: [IMG]http://s26.postimg.org/hlg9d3f3d/IMG_20140830_…
... in until you get some signal (even just a black screen ... black screen will turn into interference when power is cut.Issue 4s - Not 'Jailbars' but lines alloverIt's not another 'Jailbars' question!, but I've got this Issue 4S that aside from the 'Jailbars' on the Paper area of the screen which I can live wit…
... sounds to me like the interference is being caused by a ... is mixing with the video signal.
There are number ...Issue 4s - Not 'Jailbars' but lines alloverIt's not another 'Jailbars' question!, but I've got this Issue 4S that aside from the 'Jailbars' on the Paper area of the screen which I can live wit…
... that the CPU clock signal is interfering with your ... being superposed to the video signal.
Second: these ... This means that the superimposed signal has a frequency of half ... inmediately see:
- Either the interference dissapears at all
- ...New video about S-video modification on Issue two 48K Spectrum.I just finished an s-video modification on an Issue two 48K Spectrum so I made a video about it. Most of the technical details are in the video; if y…
... higher frequency components of the signal more than the lower ... components, which distorts the signal. If your set-up ... interference from the outside world from messing up the video signal ... ghosting (caused by the signal being partly reflected by joints ...New video about S-video modification on Issue two 48K Spectrum.I just finished an s-video modification on an Issue two 48K Spectrum so I made a video about it. Most of the technical details are in the video; if y…
... higher frequency components of the signal more than the lower ... components, which distorts the signal. If your set-up ... interference from the outside world from messing up the video signal ... ghosting (caused by the signal being partly reflected by joints ...
