BH4126 查看數據表（PDF） - ROHM Semiconductor

零件编号

产品描述 (功能)

生产厂家

BH4126

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

Share Link: