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| RX3140 Low Power IF Receiver IC | |
| Description | |
The
RX3140 is a low power IF receiver IC which is fully compatible with
the Toshiba TA31142 IC and is suitable for use as the second IF
downconverter in double-conversion paging systems. |
|
| The RX3140 is well-suited for POCSAG paging applications and incor- porates a 2-level FSK demodulator consisting of a quadrature FM demodulator, on-chip bit-rate filter, and 1-bit comparator. | |
| An on-chip 1 V regulator is provided for convenient biasing of off-chip circuitry. | |
Features |
|
Extremely low power operation with power-down feature |
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Built-in crystal oscillator for mixer local oscillator |
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Mixer input frequency: 10 — 50 MHz |
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Quadrature detector |
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On-chip bit-rate filter |
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Audio output |
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1-bit comparator with open collector output |
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1 V regulator |
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1.1 V low battery alarm |
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TSSOP-20 package (0.65 mm pitch) |
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Applications |
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Pager |
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Wireless mouse |
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Two-way car alarm system |
|
| Download | |
| RX3140 Datasheet | |