MC3335 查看數據表（PDF） - Motorola => Freescale

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MC3335

LOW POWER DUAL CONVERSION FM RECEIVER

Motorola => Freescale 

Order this document by MC3335/D

Low Power Narrowband

FM Receiver

. . . includes dual FM conversion with Oscillators, Mixers, Quadrature

Discriminator, and Meter Drive/Carrier Detect Circuitry. The MC3335 also

has a comparator circuit for FSK detection.

• Complete Dual Conversion Circuitry

• Low Voltage: VCC = 2.0 to 6.0 Vdc

• Low Drain Current (Typical 3.6 mA with VCC = 3.0 Vdc)

• Excellent Sensitivity: – 3.0 dB Input Limiting = 0.7 µV

• Externally Adjustable Carrier Detect Function

• Separate Data Shaping Output Circuitry

• Data Rate Up to 35000 Baud Detectable

• 60 dB RSSI Range

• Low Number of External Parts Required

• Manufactured in Motorola′s MOSAIC® Process Technology

• MC13135 is Preferred for New Designs

MC3335

LOW POWER

DUAL CONVERSION

FM RECEIVER

SEMICONDUCTOR

TECHNICAL DATA

P SUFFIX

PLASTIC PACKAGE

CASE 738

DW SUFFIX

PLASTIC PACKAGE

CASE 751D

(SO–20L)

Simplified Application as a Fixed Receiver

PIN CONNECTIONS

0.01

RF Input

49.7 MHz

120 pF

50 pF

10.245 MHz

Ceramic

Filter

455 kHz

0.1

0.1

0.1

200 k

10 k

1

2

3

4

5 VCC

6

7

Limiter

8

9

10

To Carrier

Detect Indicator

0.01

20

19

33 pF

0.41 µH

18

Ceramic Filter

17

10.7 MHz

VCC

16

1.0 +

15

0.1

10 k

14

Data

13

0.001

12

Recovered

Audio

11

39 K

Lp = 660 µH

Cp = 180 pF

1st Mixer Input 1

2nd Lo Emitter 2

2nd Lo Base 3

2nd Mixer Output 4

VCC 5

Limiter Input 6

Limiter Decoupling 7

Limiter Decoupling 8

Meter Drive 9

Carrier Detect 10

LIMITER

20 1st Mixer Input

19 1st Lo Tank

18 1st Lo Tank

17 1st Mixer Output

16 2nd Mixer Input

15 VEE

14 Comparator Output

13 Comparator Input

12 Detector Output

11 Quadrature Coil

ORDERING INFORMATION

Device

Operating

Temperature Range

Package

MC3335DW

TA = – 40 to +85°C

MC3335P

SO–20

Plastic DIP

MOTOROLA ANALOG IC DEVICE DATA

© Motorola, Inc. 1996

Rev 5

1

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