SL6609A データシートの表示（PDF） - Mitel Networks

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SL6609A

Direct Conversion FSK Data Receiver

Mitel Networks 

SL6609A

Vcc1

current

source 1

-

+

pin 8

R16

Vr

RF

C22

input

Vr

-

C15

Pin 28 L2

R22

L1

Vcc1

D1

100k

+

to RF

Amp

Pin 9

C26

D1 = MA862

R9 = 220k

C8 = 100nF

Ctc

C8

Rdecay

R9

current

L2 = 820nH

R22 = 47k

R16 = 33k

C22 = 1n

Vr

source 2

Note L1, C26 and C15 are part of

RF Amplifier (see Fig.4)

Fig.6 AGC Schematic

50

VCC2=4 VCC1=3

45

40

VCC2=1.8

35

VCC1=1.0

30

VCC2=2.7

VCC1=1.3

25

20

15

10

5

0

-120

-115

-110

-105

-100

-95

-90

-85

-80

-75

-70

-65

-60

IP Level dBm

Fig.7 Audio AGC current vs. IP power at 25°C

10

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