Typical operating characteristics (continued), Transmitter – Rainbow Electronics MAX7030 User Manual

Page 8

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MAX7030

Low-Cost, 315MHz, 345MHz, and 433.92MHz
ASK Transceiver with Fractional-N PLL

8

_______________________________________________________________________________________

Typical Operating Characteristics (continued)

(Typical Operating Circuit, PAV

DD

= AV

DD

= DV

DD

= HV

IN

= +3.0V, f

RF

= 433.92MHz, IF BW = 280kHz, 4kbps Manchester encoded,

0.2% BER, T

A

= +25°C, unless otherwise noted.)

SUPPLY CURRENT vs. SUPPLY VOLTAGE

MAX7030 toc17

SUPPLY VOLTAGE (V)

SUPPLY CURRENT (mA)

3.3

3.0

2.7

2.4

10

12

14

16

8

2.1

3.6

f

RF

= 315MHz

PA ON
WITHOUT ENVELOPE SHAPING

T

A

= +85

°C

T

A

= +125

°C

T

A

= -40

°C

T

A

= +25

°C

SUPPLY CURRENT (mA)

2.5

3.0

3.5

4.0

5.0

4.5

5.5

6.0

2.0

SUPPLY CURRENT

vs. SUPPLY VOLTAGE

MAX7030 toc18

SUPPLY VOLTAGE (V)

3.3

3.0

2.7

2.4

2.1

3.6

f

RF

= 315MHz

PA OFF

T

A

= +85

°C

T

A

= +125

°C

T

A

= -40

°C

T

A

= +25

°C

SUPPLY CURRENT vs. SUPPLY VOLTAGE

MAX7030 toc19

SUPPLY VOLTAGE (V)

SUPPLY CURRENT (mA)

3.3

3.0

2.7

2.4

11

13

15

17

9

2.1

3.6

f

RF

= 434MHz

PA ON
WITHOUT ENVELOPE SHAPING

T

A

= +85

°C

T

A

= +125

°C

T

A

= -40

°C

T

A

= +25

°C

SUPPLY CURRENT (mA)

3.0

3.5

4.0

5.0

4.5

5.5

6.0

SUPPLY CURRENT

vs. SUPPLY VOLTAGE

MAX7030 toc20

SUPPLY VOLTAGE (V)

3.3

3.0

2.7

2.4

2.1

3.6

f

RF

= 434MHz

PA OFF

T

A

= +85

°C

T

A

= +125

°C

T

A

= -40

°C

T

A

= +25

°C

SUPPLY CURRENT vs. OUTPUT POWER

AVERAGE OUTPUT POWER (dBm)

6

2

-10

-6

-2

5

6

7

8

9

10

11

12

4

-14

10

MAX7030 toc21

SUPPLY CURRENT (mA)

f

RF

= 315MHz

PA ON
ENVELOPE SHAPING ENABLED

PA ON

50% DUTY CYCLE

SUPPLY CURRENT vs. OUTPUT POWER

AVERAGE OUTPUT POWER (dBm)

6

2

-10

-6

-2

5

6

7

8

9

10

11

12

13

14

-14

10

MAX7030 toc22

SUPPLY CURRENT (mA)

f

RF

= 434MHz

PA ON
ENVELOPE SHAPING ENABLED

PA ON

50% DUTY CYCLE

SUPPLY CURRENT AND OUTPUT POWER

vs. EXTERNAL RESISTOR

MAX7030 toc23-1

EXTERNAL RESISTOR (

Ω)

SUPPLY CURRENT (mA)

1k

100

1

10

4

6

8

10

12

14

16

18

2

0.1

10k

-12

-8

-4

0

4

8

12

16

-16

OUTPUT POWER (dBm)

f

RF

= 315MHz

PA ON

POWER

CURRENT

SUPPLY CURRENT AND OUTPUT POWER

vs. EXTERNAL RESISTOR

MAX7030 toc23-2

EXTERNAL RESISTOR (

Ω)

SUPPLY CURRENT (mA)

1k

100

1

10

4

6

8

10

12

14

16

18

2

0.1

10k

-12

-8

-4

0

4

8

12

16

-16

OUTPUT POWER (dBm)

f

RF

= 433MHz

PA ON

POWER

CURRENT

TRANSMITTER

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