MC13027DW View Datasheet(PDF) - Motorola => Freescale

Part Name

Description

Manufacturer

MC13027DW

AMAX STEREO IC CHIPSET

Motorola => Freescale 

MC13027 MC13122

Figure 7. RF Pin Diode

R51

820

Q25

MMBT3906L

C18

R6

0.1

27 k

R5

2.7 k

Q2

MMBT3904L

C7

C57

0.01

0.01

RF In

BA585

D1 1

PIN

L1

R3

126ANS 100 k

3 7594HM

C56

R52

0.047

390

R4

82

Q1

MMBFJ309L

C8

0.047

AGC

R7

3.3 k

C6

0.47

R8

220

C5 +

68 µF

R13

MC13027

13 k

1 WB AGC In

WB AGC Out 20

C14

0.01

2

AGC

Figure 8. MC13027/MC13122

Discrete RF and Notch Filters

MC13122 Pins

Filt In

8 (13)

360

44.2 k

22.1 k

720

360

44.2 k

Filt Ctr

9 (12)

Filt Out

10 (11)

Figure 9. Overall Selectivity of a Typical Receiver

versus Filter Control Voltage

0

–10

–20 V at Pin 6 = 3.5 Vdc

–30

2.5 Vdc

1.5 Vdc

–40

–50 – – Response at

– – Pins 10 and 11 Due

–60 – – to IF Selectivity

–70 – – Total Response at

– – Output Pins 7 and 14

–80

IF/Audio Response at

Filter Input

1.5 2.0 3.0 4.0 5.0 6.0 8.0 10 15 20 30

AUDIO FREQUENCY (kHz)

20

MOTOROLA ANALOG IC DEVICE DATA

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