Motorola MC13055D, MC13055P Datasheet

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The MC13055 is intended fo RF data link systems using carrier

frequencies up to 40 MHz and FSK (frequency shift keying) data rates up to

2.0 M Baud (1.0 MHz). This design is similar to the MC3356, except that it does not include the oscillator/mixer. The IF bandwidth has been increased and the detector output has been revised to a balanced configuration. The received signal strength metering circuit has been retained, as has the versatile data slicer/comparator.

• Input Sensitivity 20 µV @ 40 MHz

• Signal Strength Indicator Linear Over 3 Decades

• Available in Surface Mount Package

• Easy Application, Few Peripheral Components

Order this document by MC13055/D



WIDEBAND

FSK

RECEIVER

SEMICONDUCTOR

TECHNICAL DATA

P SUFFIX

PLASTIC PACKAGE

CASE 648

40MHz

IF

Input

Ω

)

(50

Figure 1. Block Diagram and Application Circuit

V

CC

L1

22pF

0.01

27pF

0.1

1 2

3

0.8V

4 5

6

7

V

8

CC

– +

Limiter

1.0k 39pF

L2

16 15

+

14

–

100pF

13 12

11 10

9

Data Output

Carrier Detect

68pF

3.9k

5.0k

3.9k

Squelch Adjust (meter)

D SUFFIX

PLASTIC PACKAGE

CASE 751B

(SO–16)

PIN CONNECTIONS

Comparator Gnd

Comparator V

CC

IF Ground

IF V

CC

Limiter Input

Limiter Bias

Quad Bias

ORDERING INFORMATION

Device

MC13055D MC13055P

Temperature Range

1

2

3 4 5 6 7 8

Operating

TA = – 40 to +85°C

16

Data Out

+

15

Comparator

–

14 13

Carrier Detect

12

Meter Drive

11

Detector

10

Out

9

Quad Input

Package

Plastic DIP

SO–16

MOTOROLA ANALOG IC DEVICE DATA

 Motorola, Inc. 1996 Rev 2

1

MC13055

MAXIMUM RATINGS

Rating Symbol Value Unit

Power Supply Voltage V Operating Supply Voltage Range V2, V4 3.0 to 12 Vdc Junction Temperature T Operating Ambient Temperature Range T Storage Temperature Range T Power Dissipation, Package Rating P

CC(max)

J

A

stg

D

15 Vdc

150 °C

–40 to +85 °C

–65 to +150 °C

1.25 W

ELECTRICAL CHARACTERISTICS (V

Characteristic Conditions Min Typ Max Unit

Total Drain Current 12 + 14 – 20 25 mA Data Comparator Pull–Down Current I16 – 10 – mA Meter Drive Slope versus Input I12 4.5 7.0 9.0 µA/dB Carrier Detect Pull–Down Current I13 – 1.3 – mA Carrier Detect Pull–Up Current I13 – 500 – µA Carrier Detect Threshold Voltage V12 690 800 1010 mV DC Output Current I10, I11 – 430 – µA Recovered Signal V10 – V11 – 350 – mVrms Sensitivity for 20 dB S + N/N, BW = 5.0 MHz VIN – 20 – µVrms S + N/N at Vin = 50 µV V10 – V11 – 30 – dB Input Impedance @ 40 MHz R

Quadrature Coil Loading R

= 5.0 Vdc, fo = 40 MHz, f

CC

Pin 5, Ground –

in

C

in in

C

in

= 1.0 MHz, ∆f = ±1.0 MHz, TA = 25°C, test circuit of Figure 2.)

mod

Pin 9 to 8 –

–

4.2

4.5

7.6

5.2

– –

Figure 2. T est Circuit

1

16

kΩ pF

Input

V

CC

22pF

L1

0.01

27pF

0.010.01

0.1

2 3

4 5

6

7

8

1.0k

39pF

L2

2

15

14

13

12

11

10

100pF

Carrier Detect Output

Meter Drive

Detector Output

9

3.9k3.9k

Coils – Shielded Coilcraft UNI–10/142 L1 Gray 8–1/2 Turns, nominal 300 nH L2 Black 10–1/2 Turns, nominal 380 nH

MOTOROLA ANALOG IC DEVICE DATA

MC13055

Figure 3. Overall Gain, Noise, AM Rejection Figure 4. Meter Current versus Signal

0

Output f

–10

mod

∆

f = 1.0 MHz

–20 –30

Noise

–40 –50

AMR 1.0 kHz

30%

RELATIVE OUTPUT (dB)

–60

–100

SIGNAL INPUT (dBm)

Figure 5. Untuned Input: Limiting Sensitivity

versus Frequency

–10 –20

–30 –40

–50 –60 –70 –80

, INPUT LIMITING SENSITIVITY (dBm)

–90

IN

V

–100

0

Input

10

0.1

0.1 5

51

7

MC13055

9

20k

8

f, INPUT FREQUENCY (MHz)

= 1.0 MHz

µ

600 500

400

VCC = 5.0 V, 7.0 V

3.0 V 12 V

300 200

l12, METER CURRENT ( A)

100

0–20–60 –40–80

0

–100

0–20–40–60–80

INPUT SIGNAL (dBm)

Figure 6. Untuned Input: Meter Current

versus Frequency

800

Input 0 dBm

700

–10

µ

600

–20

500

–30 –40

400

–50

300

–60

200

–70

l12, METER CURRENT ( Adc)

100

–80

0

10090807060504030200

f, INPUT FREQUENCY (MHz)

Input

0.1

MC13055

9

20k

8

5

51

7

1009080706050403020100

Figure 7. Limiting Sensitivity and Detuning

versus Supply V oltage

–40

–50

–60

–70

–80

, INPUT LIMITING SENSITIVITY (dBm)

–90

IN

V

40 MHz

Limiting

Sensitivity

VCC, SUPPLY VOLTAGE (Vdc)

Quadrature Coil Tuning

119.05.0 7.03.00

MOTOROLA ANALOG IC DEVICE DATA

Figure 8. Detector Current and Power Supply

Current versus Supply Voltage

40 3

40.2

40.1

40.0

39.9

1200

µ

1000 50

I10 + I11

800

39.8

l10 + l11, DETECTOR CURRENT ( Adc)

600

400 200

I2 + I4

0

1.0

7.05.03.00

39.7

39.6

39.5

39.4

QUAD COIL TUNING (MHz)

39.3

39.2

15

131.0 VCC, SUPPLY VOLTAGE (Vdc)

60

40

30

20

10

l2 + I4, POWER SUPPLY CURRENT (mA)

0

13 15119.0

3