315MHz/433MHz Low-Noise

Amplifier for Automotive RKE

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3

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

°C

12.5

15.5

Power Gain

11.5

dB

Noise Figure

°C

1.25

dB

Input Third-Order Intercept Point

(Note 3)

-16

dBm

Input 1dB Compression Point

-29

dBm

Input Return Loss

10

dB

Output Return Loss

8dB

Reverse Isolation

60

dB

°C (Note 4)

11

13.5

Power Gain

10

dB

Noise Figure

1.25

dB

Input Third-Order Intercept Point

(Note 3)

-12

dBm

Input 1dB Compression Point

-26

dBm

Input Return Loss

11

dB

Output Return Loss

8dB

Reverse Isolation

60

dB

AC ELECTRICAL CHARACTERISTICS

Note 3: Measured with two tones located at 315MHz and 316MHz or 433MHz and 434MHz at -40dBm/tone.

Note 4: Guaranteed by design and characterization.

SUPPLY CURRENT vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

2.2

3.3

4.4

5.5

1.5

2.0

2.5

3.0

3.5

4.0

°C

°C

°C

S11, S22, S21 vs. FREQUENCY

(315MHz)

FREQUENCY (MHz)

200

300

400

500

600

-20

-15

-10

-5

0

5

10

15

20

S22

S21

S11

S11, S22, S21 vs. FREQUENCY

(433MHz)

FREQUENCY (MHz)

200

300

400

500

600

-20

-15

-10

-5

0

5

10

15

20

S11

S22

S21

Typical Operating Characteristics