The CMX823 programmable paging decoder IC is a high performance, low power audio tone decoder. It supports tones from 280 kHz to 3.5 Hz and allows users to create their own tone frequency alphabet for ...
With this conversion utility installed, audio files in .mp3 format can be decoded. The -S, -A, -P, -Y and -M options, for plotting various aspects of the recorded signal, invoke the 'gnuplot' program.
While many of us have banished land line telephones from our houses, there are still quite a few people who utilize POTS lines today. These analog phone systems use Dual Tone Multi Frequency (DTMF) ...
The CW decoder uses the same basic LM567 circuit designed by Budd Churchward WB7FHC which is connected to an Arduino Nano. I have made some software changes to suit my circumstances. These include a ...
Abstract: According to the analysis of Goertzel algorithm, this paper presents a series of methods and measures, which are from both hardware and software, to improve the performance of the system. We ...
The SKY13292-365LF, a 4 x 2 switch matrix, combines a digital decoder with the RF switching network and tone/voltage detect within a lead-free, RoHS-compliant QFN plastic package measuring 4 mm x 4 mm ...
Morse code is used in telecommunication; it is a method of transmitting and receiving coded information. Each character (letter or numeral) is coded/represented by a unique sequence of dots and dashes ...
45 DUAL-TONE MULTI-FREQUENCY DECODER source: Teltone Corporation design: Robert Krijgsman PE ICHY The dual-tone multi-frequency (DTMF) dialling scheme for telephone networks was originally developed ...
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