4

T0980

4584A–SIGE–01/03

Note:

1. Power amplifier should be unconditional stable, maximum duty cycle 100%, true cw-operation, maximum load mismatch

10:1 for 5 s at 3.6 V

Electrical Characteristics

Test conditions (unless otherwise specified) : V

Parameters

Test Conditions/Pins

Symbol

Min.

Typ.

Max.

Unit

Power Amplifier

(1)

Supply voltage

TX, Pins 1, 2, 9 and 14

V

3.6

V

Supply current

TX, Pins 1, 2, 9 and 14

I

400

mA

Frequency range

TX

f

400

500

MHz

Power gain

TX

Gp

33

dB

Control voltage

TX, output power (maximum), Pin 4

2.5

V

TX, output power (minimum), Pin 4

0.7

V

Control current

Pin 4

0

400

µA

Shut down mode

Control voltage

£ 0.1 V,

Pins 1, 2, 9 and 14

I

10

µA

Power added efficiency

TX at 450 MHz

PAE

50

%

Saturated output power

TX, input power 3 dBm

Psat

29

dBm

Harmonics

TX, input power 3 dBm

2 fo

-20

dBc

TX, input power 3 dBm

3 fo

-20

dBc

Low-noise Amplifier

Supply voltage

RX, Pins 8 and 10

V

2.5

V

Supply current

RX at R1 = 5.6 k

W, Pins 8 and 10

I

2.5

mA

Frequency range

RX

f

400

500

MHz

Power gain

RX at R1 = 5.6 k

W, Is = 2.5 mA

Gp

19

dB

Noise figure

RX at R1 = 5.6 k

W, Is = 2.5 mA

NF

1.7

2.5

dB

Isolation

RX at R1 = 5.6 k

W, Is = 2.5 mA

ISO

20

dB

3rd-order input interception point

RX at R1 = 5.6 k

W, Is = 2.5 mA

IIP3

-10

dBm