MC3371P Просмотр технического описания (PDF) - LANSDALE Semiconductor Inc.

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Компоненты Описание

производитель

MC3371P

Low Powe Narrowband FM IF

LANSDALE Semiconductor Inc. 

ML3371, ML3372

LANSDALE Semiconductor, Inc.

Legacy Applications Information

Figure 12. Typical Application for ML3372 at 10.7 MHz

VCC = 4.0 Vdc

RSSI Output

R2

10 k

+ C9

10

1st IF 10.7 MHz

from Input

Front End

8.2 µH

L2

C16

91

R13

560

C1

0.01

L1

TKANS9443HM

6.8 µH ± 6%

R1

C6

51 k

0.1

C2 + R4

4.7 1.0 k

µF

D1 1N5817 R5

4.7 k R6

C3

C4

560

0.1 0.001 R7

C5 4.7 k

0.001

VR1 (Squelch Control)

10 k

R8

3.3 k C7

C8

0.022

0.22

R9

510 k

16

15

14

13 12

11

10

9

VR2

10 k

–

Filter

AF

Amp

Amp

Squelch Trigger

+

with Hysteresis

Demodulator

AF Out

to Audio

Power Amp

Mixer

Oscillator

1

2

3

C10

10.245

MHz

68

C2

220

Limiter

Amp

10

53 k

45

6

7

8

C13

R10 0.1

1.8k

C14

C12 R11

0.1 51 k

27p R12

4.3 k

muRata

CDB455C16

muRata

C15

CFU455D2

0.1

or

equivalent

Page 13 of 19

www.lansdale.com

Issue A

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