Vill tipsa om mini byggprojekt, montera in subton CTCSS i äldre apparater eller bygg in fler finneser som NTH.
Har ni en äldre ICOM radio eller annan Japansk radio med mellanfrekvens 21.8 MHz finner ni även filter till NFM smalbands-FM = mottagarfilter för 12.5kHz kanalavstånd. ( 2 kristallfilter med 3ben + 1 keramiskt filter )
Filter kan beställas från CSTECH eller av mig för samma kostnad, har ett antal nya kvar.
CSTECH har jag handlat av utan problem, kan rekommenderas.
☺ 73 / SM Ø MMO
cstech Newsletter
DTMF, CTCSS and PIC microcontroller kits.
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Our CTCSS encoder kit can encode up to 47 CTCSS tones with sine wave output. The tone is selected by the combination of 5 jumpers in 6 positions.
RadCom article UK tone set compatable
It’s powered by 7 to 16V DC and draws only a few mA.
DTMF Kits
PIC microcontroller development and prototyping kits
The CTCSS Decode / Display kit can decode and display 25 CTCSS tones.
You can use the kit for rapid identification of tone in use when scanning repeater frequencies or when travelling around the country. You can also use it as a CTCSS decoder for base stations and repeaters.
DTMF Modules
Component range:
Choose from a selection of low price: + Crystals + Semiconductors + Sockets And many more
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