5V Low Power Subscriber DTMF Receiver

The CD22204 complete dual tone multiple frequency (DTMF) receiver detects a selectable group of 12 or 16 standard digits. No front-end pre-filtering is needed. The only externally required components are an inexpensive 3.579545MHz TV ‘‘colorburst’’ crystal (for frequency reference) and a bias resi

5V Low Power Subscriber DTMF Receiver

文件：128.13 Kbytes Page：5 Pages

5V Low Power Subscriber DTMF Receiver

5V Low Power Subscriber DTMF Receiver

The CD22204 complete dual tone multiple frequency (DTMF) receiver detects a selectable group of 12 or 16 standard digits. No front-end pre-filtering is needed. The only externally required components are an inexpensive 3.579545MHz TV ‘‘colorburst’’ crystal (for frequency reference) and a bias resi

5V Low Power Subscriber DTMF Receiver

The CD22204 complete dual tone multiple frequency (DTMF) receiver detects a selectable group of 12 or 16 standard digits. No front-end pre-filtering is needed. The only externally required components are an inexpensive 3.579545MHz TV ‘‘colorburst’’ crystal (for frequency reference) and a bias resist • No Front End Band Splitting Filters Required\n• Single Low Tolerance 5V Supply\n• Three-State Outputs for Microprocessor Based Systems\n• Detects all 16 Standard DTMF Digits\n• Uses Inexpensive 3.579545MHz Crystal\n• Excellent Speech Immunity\n• Output in 4-Bit Hexadecimal Code\n• Excellent Latch-;

5V Low Power Subscriber DTMF Receiver

文件：128.13 Kbytes Page：5 Pages

5V Low Power Subscriber DTMF Receiver

文件：128.13 Kbytes Page：5 Pages

5V low power subscriber DTMF receiver

8 V P-Channel NexFET Power MOSFET

文件：470.61 Kbytes Page：12 Pages