BH4126FV Просмотр технического описания (PDF) - ROHM Semiconductor

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Компоненты Описание

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BH4126FV

Wide band IF detector for RF remote control units

ROHM Semiconductor 

Communication ICs

!Pin descriptions

Pin No.

Function

Local oscillator pin (base)

Connect crystal resonator

1

and capacitor

BH4126FV

Internal peripheral circuit

VCC

DC voltage(V)

VCC - 0.6

1

Local oscillator pin (emitter)

2

2

Connect capacitor or input local signal

from external oscillator

To MIXER

VCC

Battery save pin

"Pin 3 voltage" ≤ 0.2 : Battery save

30k

3

3

2 V ≤ "Pin 3 voltage" ≤ VCC : Active

-

Mixer output pin

Connect ceramic filter

Output impedance: 330Ω

4

VCC

270

4

VCC - 1.5

GND pin

5

GND for IF stages and FM detection stages

GND

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