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BA4116FV Datasheet Fm If Detector For Cordless Phones

Manufacturer: ROHM

Overview: munication ICs FM IF detector for cordless phones BA4116FV The BA4116FV is an IC with mixing circuit, IF circuit, FM detector circuit, RSSI circuit, and noise detector circuit. As it can operate at low voltages, it is ideal for use in cordless phones.

Datasheet Details

Part number BA4116FV
Manufacturer ROHM
File Size 193.78 KB
Description FM IF detector for cordless phones
Datasheet BA4116FV_Rohm.pdf

General Description

s BA4116FV 54 munication ICs BA4116FV 55 munication ICs BA4116FV 56 munication ICs BA4116FV FElectrical characteristics (unless otherwise noted, Ta = 25_C, VCC = 2.0V, fIN (Mix) = 21.7MHz, fIN (IF) = 450kHz, ∆f = ±1.5kHzdev, fm = 1kHz, all AC levels open (EMF) display) 57 munication ICs FMeasurement circuit BA4116FV 58 munication ICs FApplication example BA4116FV 59 munication ICs FAttached ponents BA4116FV FDetermining the filter amplifier constant (multi-layer recovery band pass filter) f0: Center frequency Q: Center frequency f0 / band width BW A0: I / O gain The reference resistance R0 is determined as C1 = C2 = C0.

R0 = 1 / 2πf0 S C0 R1 = R0 S Q / A0 R2 = R0 / [2Q - (A0 / Q)] R3 = 2R0 S Q The Filter gain can be adjusted by varying R1, but with the A0 > 1 design, please be aware that influence from the open loop characteristic of the amplifier causes offset in the center frequency f0.

FElectrical characteristic curves 60 munication ICs BA4116FV 61 munication ICs FExternal dimensions (Units: mm) BA4116FV 62

Key Features

  • 1) Input frequencies of 10MHz to 150MHz can be accommodated. 2) Low-voltage operation. (1.8 to 5.5V) 3) Excellent temperature characteristic. 4) High sensitivity; 12dB SINAD sensitivity = 8dBµVEMF (50 Ω) 5) High intercept point. (.
  • 11dBm) 6) Small package used. (0.65mm pitch) FAbsolute maximum ratings (Ta = 25_C) FRecommended operating conditions (Ta = 25_C) 52 Communication ICs FBlock diagram BA4116FV 53 Communication ICs FPin.

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