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16 Hits
- Low DC line voltage; operates down to 1.6V (excluding polarity guard) - Voltage regulator with adjustable static resistance - Provides a supply for ...
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12 Hits
provided by the PABX or central office. The PAUSE key stores a timed pause in the number sequence. Redial is then delayed until an outside line can be...
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12 Hits
Line interface • Low DC line voltage • Voltage regulator with adjustable DC voltage • Symmetrical high-impedance inputs (70 kΩ) for dynamic, magnetic ...
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11 Hits
1) Basic speech network functions built in. S Handset transmit and receive circuits S DTMF transmit circuit S Key tone input circuit S Mute control an...
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9 Hits
• Minimum number of external components for function,with one filtered DC-supply. 6 capacitors and 10 resistors. Easy adaption to various market need...
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9 Hits
Speech part • Voltage regulator with adjustable static resistance • Low DC line voltage; operates down to 1.6 V (excluding polarity guard) • Supply fo...
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9 Hits
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Designed around National’s 16-bit CompactRISC processor 16-bit architecture and implementation 20 48 MH...
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9 Hits
● Low DC line voltage: operates down to 1.6V (excluding polarity guard)
● Voltage regulator with adjustable static resistance
● Provides a supply for ...
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9 Hits
● Low DC line voltage: operates down to 1.6V (excluding polarity guard)
● Voltage regulator with adjustable static resistance
● Provides a supply for ...
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8 Hits
u Line/speech circuit, loudhearing, handsfree and dc/dc converter on one 28 pin CMOS chip u Operating range from 13 to 100 mA (down to 5 mA with reduc...
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8 Hits
1) Can accommodate both dynamic and piezoelectric receivers, simply by changing the circuit constant for a wide dynamic reception range. 2) Automatic ...
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8 Hits
Line interface • Low DC line voltage • Voltage regulator with adjustable DC voltage • Symmetrical high-impedance inputs (70 kΩ) for dynamic, magnetic ...
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