Telecommunication

IC, telecom. DTMF, pulse switchable phone dialer. Package: 22 Dip. Learn More

IC, telecom. Pulse dialer with redial function. Package: 18 Dip. Bulk packaged. Learn More

IC, telecom. CMOS pulse/tone dialer LSI providing auto-dialing and redial. With 16-digit x 20 channel automatic dialing memory and 32-digit redial memory. Package: 36 Quad Flat SMD. Bulk packaged. Leads may need a bit of work. Learn More

IC, telecom. DTMF, pulse switchable phone dialer. Package: 22 Dip. Learn More

IC, telecom. CMOS pulse/tone dialer LSI providing 18-digit x 10 channel memory including a redial memory. Package: 18 Dip. New.

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IC, telecom. DTMF tone generator for pushbutton telephone. Package: 16 Dip. Bulk packaged. Learn More

IC. Dual low noise preamplifier silicon bipolar monolithic. Case Sip. Learn More

IC, telecom. Dual channel audio power output amplifier. Case: 12 power sip. Learn More

IC, audio. IF tuning signal processing circuit. Maximum frequency (Hz)=1.5M, nom supply (V)=18. Case: 19 Sip, staggered leads. Note: Cross NTE1518. Learn More

IC, telecom. Telephone tone ringer. Complete telephone bell ringer replacement with minimum of external parts. Direct drive for PZT transducers. High tone: 2080Hz. Low tone: 1664Hz. Warble tone: 13Hz. Output: 20Vp-p 20mA source or sink. Package: 8 Dip. Learn More

IC, telecom. Telephone tone dialer. Package: 8 Dip. Learn More

IC. Voice switched speaker-phone circuit. Package: 28 Dip. Learn More

IC, telecom. Proprietary number. Unknown function. Package: 40 Dip, bulk packaged. Note good condition. Learn More

IC, telecom. Proprietary number. Unknown function. Package: 40 Dip. Note: A3071. Learn More

IC, telecom. Package: 28 Dip. May be new, but with tarnishing leads. Learn More

IC, CMOS. Dual PLLs for 46/49 MHz cordless telephones. Package: 16 SOG SMD. Learn More

IC, telecom. Package: 28 Dip, used/socket pulls. Learn More

IC, DTMF. Telephone Tone Dialer, integrated. Direct telephone line operated. Uses 3.579545MHz color burst crystals to provide high accuracy tones. Uses Form A (N.O.) contacts or 2-of-8 keyboard. On-chip regulation of dual and single tone amplitudes. Package: 16 Dip. Learn More

MOSTEK - MK5103N-5 - IC, Telecom. Telephone Circuit Tone Decoder.

Telephone circuit Tone decoder.

Voltage 5V.

MK5103 uses 3.579545MHz crystal (television color-burst) for reference.

Touch tone decoder, tone to pulse converter

16-channel remote control.

Output either 4-bit binary or dual 2-bit row/column code.

Detects all 16 standard DTMF digits.

Package: 16 Dip.

New Old Stock - Very Rare - Tarnishing.

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IC, Ceramic DIP16. A-Law Companding CODEC. CMOS. +/-5V. Contains 2 circuits: A-to-D and D-to-A converters which conform to the A-law companding code. These 2 sections form a telecom coder-decoder for per-channel voice freq codecs. Learn More

IC, telecom. CMOS. Telephone tone / pulse dialer. Case: 18 Dip. New. Learn More

IC, telecom. Dual tone and single tone capability. Package: 16 Cdip. Learn More

Integrated Tone Dialer DIP16 New. Digital divider logic, resistive ladder network, CMOS. Requires TV color burst crystal 3.579545MHz to provide eight different audio sinusoidial frequencies which are mixed to provide DTMF (Dual-Tone-Multi-Frequency) tones. Nota: Actual Texas instruments TCM5089N. Learn More

IC. IEEE802.3 Ethernet lan coprocessor. Package: 48 Dip, socket pulls. Learn More