CMX018 データシートの表示（PDF） - Unspecified

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CMX018

UHF FM/FSK Receiver

Unspecified 

1.5.5 FM/FSK Demodulator

A quadrature detector is employed together with an external discriminator and phase shift network to

demodulate the FM or FSK signal.

1.5.6 Zero-Power Mode

The device is powered down by applying a logic '0' level at the ENABLE input (pin 28). In this mode the

device current is reduced to less than 10µA. This feature is useful when the device is operating within a

transceiver where the receiver needs to be enabled and disabled.

A delay should be allowed for the receiver to settle after power-up. This is likely to be less than the xtal

oscillator stabilisation time, which may be altered by adjusting the value of R2, shown in Figure 2.

© 1999 Consumer Microcircuits Limited

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D/018/3

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