TA31273FN

2002-07-08

10

Reference data（This is temperature characteristics data when it used evaluation boards.

Power supply voltage

VCC (V)

Current consumption vs.

Power supply voltage characteristics

Power supply voltage

VCC (V)

Current consumption vs.

Power supply voltage characteristics

Power supply voltage

VCC (V)

RF amp gain vs.

Power supply voltage characteristics

Power supply voltage

VCC (V)

Mixer conversion gain vs.

Power supply voltage characteristics

Power supply voltage

VCC (V)

Mixer conversion gain vs.

Power supply voltage characteristics

10

0

0

1

2

3

4

5

6

2

4

6

8

25°C

100°C

−40°C

Fin (Lo)

= 40.7 MHz

Vin (Lo) = 100 dBµV

BH: H

LOBS: H

0

−50

1

−10

−20

−30

−40

2

3

4

5

6

25°C

100°C

−40°C

Fin (RF)

= 314.9 MHz

Vin (RF) = 50 dBµV

30

−30

1

2

3

4

5

6

−20

−10

0

10

20

Fin (MIX)

= 314.9 MHz

Vin (MIX) = 50 dBµV

Fin (Lo)

= 40.7 MHz

Vin (Lo) = 100 dBµV

LOBS: H

25°C

110°C

−40°C

30

−40

1

2

3

4

5

6

−30

−20

−10

0

10

20

−40°C

25°C

110°C

Fin (MIX)

= 314.9 MHz

Vin (MIX) = 50 dBµV

Fin (Lo)

= 304.2 MHz

Vin (Lo) = 100 dBµV

LOBS: L

8

0

0

1

2

3

4

5

6

2

4

6

All internal circuits used

Multiplier circuit turned off

and external circuit used

Only multiplier

circuit used

BS

Fin (Lo)

= 40.7 MHz

Vin (Lo) = 100 dBµV

Ta

= 25°C

MIX IN input level

Vin (dBµVEMF)

RSSI output voltage characteristics

(MIX input)

3

0

−20

0

20

40

60

80

120

1

1.5

2

100

2.5

110°C

25°C

−40°C

Fin (MIX)

= 314.9 MHz

Fin (Lo)

= 40.7 MHz

Vin (Lo) = 100 dBµV

0.5