| Description | Pin No. Function Local oscillator pin (base) VCC Internal peripheral circuit DC voltage(V) 1 Connect crystal resonator and capacitor 5k VCC - 0.6 1 Local oscillator pin (emitter) 2 To MIXER 2 Connect capacitor or input local signal from external oscillator VCC Battery save pin "Pin 3 vol... |
| Features | 1) Equipped with internal mixer, IF, RSSI, and FM detection circuits. 2) Can be operated at mixer input frequencies ranging from 20MHz to 300MHz. 3) Equipped with a battery power saving function. 4) Fast RSSI response. 5) High FM detection sensitivity. (21.2mV / kHz) BH4126FV Communication ICs !Block diagram VCC IF input FM detector output RSSI IF output 16 15 14 13 12 11 10 9 VCC Quad... |
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Rohm |
IF detector |
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Rohm |
Second Mixer IF |
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Rohm |
2nd mixer and IF amplifier |
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Holtek Semiconductor |
24-Bit Delta-Sigma A/D Peripheral IC |
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Holtek Semiconductor |
Earphone Interface Bridge Flash MCU |
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Fairchild Semiconductor |
FSBH0170A |
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Bi technologies |
High Profile SIP Thick Film Conformal Coated Resistor Networks |
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Bi technologies |
High Profile SIP Thick Film Conformal Coated Resistor Networks |
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Bi technologies |
High Profile SIP Thick Film Conformal Coated Resistor Networks |
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Bi technologies |
High Profile SIP Thick Film Conformal Coated Resistor Networks |
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