PNP announced a new, multistandard RTTY/Morse code Terminal Unit. It is what they call a matched filter type unit and it is for receive only. Aimed primarily at the serious short-wave listener, the unit is suitable for interfacing a communications receiver to any home micro. The matched filter/rectifier/integrator design makes it eminently suitable for demodulating Morse Code. The unit consists of two active filter chains. One is fixed at 1275Hz for SPACE and the other is electronically switched to either 1445Hz for 170Hz shift or 1700Hz for 425Hz shift or 2125Hz for 850Hz shift MARK signals. It is this channel used for Morse decoding. There is also an ALC system to cater for a wide range of input signals and to compensate for fading, etc. In addition, a bar-graph type tuning indicator is provided to enable the accurate tuning of RTTY. This terminal unit is also suitable for signals in excess of 200 baud and for the reception of AMTOR. All connections are by neat plugs and sockets and is supplied as a built and aligned unit complete with mains transformer. At the moment, only a built unit can be supplied but PNP say that a kit will be available shortly. The PNP multi standard terminal unit costs £32.50 plus VAT and more details can be had by calling PNP on 0273 *****. Ray Berry, PCW | ★ AMSTRAD CPC ★ DOWNLOAD ★ |
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CPCrulez[Content Management System] v8.732-desktop/c
Page créée en 486 millisecondes et consultée 47 foisL'Amstrad CPC est une machine 8 bits à base d'un Z80 à 4MHz. Le premier de la gamme fut le CPC 464 en 1984, équipé d'un lecteur de cassettes intégré il se plaçait en concurrent du Commodore C64 beaucoup plus compliqué à utiliser et plus cher. Ce fut un réel succès et sorti cette même années le CPC 664 équipé d'un lecteur de disquettes trois pouces intégré. Sa vie fut de courte durée puisqu'en 1985 il fut remplacé par le CPC 6128 qui était plus compact, plus soigné et surtout qui avait 128Ko de RAM au lieu de 64Ko. |
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