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<1…15161718192021…34>
  • CapacitorsSorry, another question... I've done a bit of looking around, although after a couple of beers this may not have been as systematic as usual, but I …

    ... the circuit to tune the output to an optimum.

    output of the bridge rectifier. The ... .
    F is the mains frequency in hertz (Hz), normally 50Hz ...
    Pierre Pierre May 2013 Hardware
  • At the Carboot sale today.Today at the carboot sale I picked up An Acorn Electron -I see these all the time, An Official Branded BBC Micro Datacassete Recorder - I'v…

    I bought a mono cassette player with MIC and EAR ports for < 10 euros. And I've tested the normal speaker output and it worked. (I didn't tested the ear and mic yet).

    (Not sure how much they should cost tho so it might be a bit overpriced.)
    Timmy Timmy May 2013 Chit chat
  • Yet another glitchy graphics 48kHeyo, I'm new both to the forums (sorry if this is the wrong forum) and to Spectra I'm afraid, picked up a 48k from a steam fair sale thingy (not th…

    ... />
    The 48K doesn't output sound through the modulator, so ... it creates is from the MIC socket and the internal (rubbish ...
    RobeeeJay RobeeeJay May 2013 Hardware
  • PlusDlite prototype/first batch is here![IMG]http://benophetinternet.nl/hobby/vanmezelf/20130605_143221.jpg[/IMG] [IMG]http://benophetinternet.nl/hobby/vanmezelf/20130605_153930.jpg[/IMG] …

    ... the ZX Spectrum's video output.
    Better switching power supplies ... because it's a high frequency ripple) inside the floppydrives, or ...
    bverstee bverstee June 2013 Hardware
  • Microdrive Serial ProtocolGentlemen, I've been dreaming for a long time to develop a Microdrive emulator, where an SD card loaded with .MDR cartridge images can be accessed t…

    ... )[/QUOTE]
    Assuming that the output takes relatively little time, then ... , because some used method of Frequency Modulation could handle these? This ...
    roko roko June 2013 Hardware
  • Using downloaded WOS filesI am the new owner of a 48K Spectrum, which loads games from tape without any problems. I am not having great success with games downloaded from the…

    The output of a tape or directly from the Spectrum's mic socket ... . I would suspect that the output device you are using processes ... true of a laptop headphone output

    PlayTZX and TZXtoWav ...
    DEATH DEATH July 2013 Hardware
  • Using downloaded WOS filesI am the new owner of a 48K Spectrum, which loads games from tape without any problems. I am not having great success with games downloaded from the…

    ... all laptops have a low output, simply most of them.
    output of a personal CD player ... - and that works directly from mic out on a 48 to ... demand low levels of audio output - maybe the stuff you tested ...
    DEATH DEATH July 2013 Hardware
  • Using downloaded WOS filesI am the new owner of a 48K Spectrum, which loads games from tape without any problems. I am not having great success with games downloaded from the…

    ... wave consists of a centre frequency sine wave with an infinite ... to be technical. As the frequency range of a tape recorder ... can also be seen as frequency shift keying and there will ... will have that level of output. You will have to amplify ...
    Pierre Pierre July 2013 Hardware
  • Converting PAL +2b to NTSC[B]Hello my fellow WoS'ers[/B] I have a strange request for your knowledge and advice. A chap in the US would like to use a Spectrum +2B, however w…

    ... also need to change the frequency going to pins 12 and ... the 35.469 MHz clock frequency of the gate array and ... degree signal from the signal output from the gate array (pin ...
    rga24 rga24 July 2013 Hardware
  • What models are repairable these days?I've followed a few threads which are trying to repair the mainboard components of the older 48K models, but it got me wondering - is it possible to …

    ... a socket to the ASIC MIC line at all though...

    Damnit, an OUTPUT line :lol:
    guesser guesser July 2013 Hardware
  • What models are repairable these days?I've followed a few threads which are trying to repair the mainboard components of the older 48K models, but it got me wondering - is it possible to …

    ... a socket to the ASIC MIC line at all though...

    The +3 has an output jack for both load and ... save, the +2A is output only.

    Lets suppose ... /> Where would you put your output from a tape deck too ...
    DEATH DEATH July 2013 Hardware
  • What models are repairable these days?I've followed a few threads which are trying to repair the mainboard components of the older 48K models, but it got me wondering - is it possible to …

    ... applying a signal to the output...[/QUOTE]


    If ... a socket to the ASIC MIC line at all though.."[/I ...
    DEATH DEATH July 2013 Hardware
  • Issue 2 crashes after about 30 minsHi Guys, I have an Issue 2 zx spectrum that seems to get graphic corruption after about half hour of playing, then finally falls over and crashes. …

    ... a smoothing capacitor on the output side of the bridge) without ... be a ripple on the output voltage of the power supply ... .
    F is the mains frequency in hertz (Hz), normally 50Hz ... a transformer is loaded, the output voltage of the transformer will ...
    Pierre Pierre July 2013 Hardware
  • ZX spectrum 128K + 2 (Grey one :)Hi all, I'm trying to revive a dead ZX 128K +2 (the grey one). The regulator was damaged and seemed to be feeding 7.8Volts onto the pcb. Yikes ! I…

    ... it all starts again. The frequency of operation is in the ... as to reduce the power output or to "switch off" TR9 ...
    1024MAK 1024MAK August 2013 Hardware
  • Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…

    ... 'm connecting the output of the PC to the MIC socket of ...
    balford balford August 2013 Development
  • Connect spectrum to monitorHello, Probably a stupid question but I'll ask it anyway :) Is there a way to connect a spectrum to a vga or dvi monitor? Thanks, Ant?nio

    The video output from a ZX Spectrum ... and a field (vertical) frequency of 50Hz. The colour system ... not directly display the output from a ZX Spectrum.< ... unable to directly display the output from a ZX Spectrum.< ... can display the video output from a ZX Spectrum ...
    1024MAK 1024MAK September 2013 Hardware
  • SD card as a tape playerSince discovering WOS I've been amazed at the talent and inginuity of everyone who has developed new hardware and software. I only wish I could under…

    ... friend who does the frequency licenses for radio mic's (concerts etc ...
    fog fog September 2013 Hardware
  • Formant synthesis on the AY-3-8910I was idly pondering ways of getting interesting sounds out of the AY chip, and it occurred to me the envelope system might be useful for formant syn…

    ... at a plot of the frequency components of speech, you will ... chip can do. The envelope frequency doesn't have much resolution ... reset, and they don't output sine waves - but it may ...
    GoingDigital GoingDigital September 2013 Development
  • Getting aquainted with the IF1bisToday, fifteen days after dispatch, the IF1bis arrived at my door. In perfect order. No customs, no TVA and no handling fee involved. The arrival of …

    ... source is connected to the "MIC" socket. I've already asked ... not impossible, loading through the ?MIC? socket was obviously not envisaged ... lower impedance, to match the output of the audio signal source ...
    Dan Antohi Dan Antohi October 2013 Hardware
  • Getting aquainted with the IF1bisToday, fifteen days after dispatch, the IF1bis arrived at my door. In perfect order. No customs, no TVA and no handling fee involved. The arrival of …

    ... be connected to the EAR output of a cassette tape recorder ... . The EAR output of a cassette tape recorder ... are having to use the MIC connector on your Spectrum, it ...
    1024MAK 1024MAK October 2013 Hardware
  • Getting aquainted with the IF1bisToday, fifteen days after dispatch, the IF1bis arrived at my door. In perfect order. No customs, no TVA and no handling fee involved. The arrival of …

    ... be connected to the EAR output of a cassette tape recorder ... . The EAR output of a cassette tape recorder ... are having to use the MIC connector on your Spectrum, it ...
    rune rune October 2013 Hardware
  • SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…

    ... /> rrca ; place
    or %00001000 ; MIC off

    org 0x03d1 ...
    chev chev October 2013 Development
  • Settings on oscilloscope to see composite video signalHello, Learning a bit more about my new Owon digital 2 chan. oscilloscope. Would like to know what settings I should use to view a composite signal…

    ... SVGA are analogue RGB output in a high frequency beyond 31KHz and ... was digital RGB in low frequency with an extra signal for ...
    pkersey pkersey December 2013 Hardware
  • Settings on oscilloscope to see composite video signalHello, Learning a bit more about my new Owon digital 2 chan. oscilloscope. Would like to know what settings I should use to view a composite signal…

    ... SVGA are analogue RGB output in a high frequency beyond 31KHz and ... was digital RGB in low frequency with an extra signal for ...
    thomas3120 thomas3120 December 2013 Hardware
  • Born again Speccy user with problemsHello all, Firstly I'd like to say a big hello - this is my first post! When I was 8 or 9 or so my dad bought a ZX Spectrum 48K and a whole bunch o…

    ... mono jack into a stereo output socket.
    If you plug ... connected to the speccy's MIC input and ground, but the ...
    guesser guesser January 2014 Hardware
  • Born again Speccy user with problemsHello all, Firstly I'd like to say a big hello - this is my first post! When I was 8 or 9 or so my dad bought a ZX Spectrum 48K and a whole bunch o…

    ... mono jack into a stereo output socket.
    If you plug ... connected to the speccy's MIC input and ground, but the ...
    1024MAK 1024MAK January 2014 Hardware
  • Just brought my first ZX Spectrum+ help please!I need some help please guys! Just brought my first ZX Spectrum +, I never had one of these back in the days so I know nothing about them! All is …

    ... 100%!?[/QUOTE]

    The frequency of the modulator is probably ... about with temperature. The RF output is pretty crappy so most ...
    guesser guesser January 2014 Hardware
  • Just brought my first ZX Spectrum+ help please!I need some help please guys! Just brought my first ZX Spectrum +, I never had one of these back in the days so I know nothing about them! All is …

    [QUOTE=guesser;746343]The frequency of the modulator is probably ... about with temperature. The RF output is pretty crappy so most ...
    newgen2005 newgen2005 January 2014 Hardware
  • Just brought my first ZX Spectrum+ help please!I need some help please guys! Just brought my first ZX Spectrum +, I never had one of these back in the days so I know nothing about them! All is …

    ... the modulator heats up, the frequency shifts slightly.
    If you ... the Spectrum for composite video output if you decide to. Personally ...
    p13z p13z January 2014 Hardware
  • Born again Speccy user with problemsHello all, Firstly I'd like to say a big hello - this is my first post! When I was 8 or 9 or so my dad bought a ZX Spectrum 48K and a whole bunch o…

    ... .

    I measured the output of the dictaphone at full ... plugged some headphones into the mic jack and repeated the experiment ... record the program at the mic socket, yet the speccy speaker ... full wave to drive the MIC jack and connected tape recorder ...
    namtip namtip January 2014 Hardware
<1…15161718192021…34>

Latest Posts

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mic 1.6K 2.1K
output 9K 13.1K
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