CXA1742Q Ver la hoja de datos (PDF) - Sony Semiconductor

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CXA1742Q

IF Amplifier for Analog Cellular Communications

Sony Semiconductor 

CXA1742Q

Pin No. Symbol

Pin voltage I/O

DC AC resistance

38 SGND 1.83 V

Equivalent circuit

33

38

39 BPFPS1 1.17 V

40 BPFPS2 1.2 V

34

B.P.F signal

reference voltage

33

39

40

34

reference voltage

used for B.P.F

Description

Monitor for the pseud-

ground voltage used in the

internal circuits.

When connected to an

external capacitor, this pin

also functions to lower the

reference voltage dynamic

impedance.

Monitor for the reference

voltage used by the BPF.

When connected to an

external capacitor, these

pins also function to lower

the reference voltage

dynamic impedance.

—8—

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