2

Electrical characteristics

(TCASE = 25 °C unless otherwise specified)

Table 4. Static (per side)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

V(BR)DSS

Drain-source breakdown voltage

VGS = 0 V, ID = 100 µA

115

V

IDSS

Zero-gate voltage drain current

VGS = 0 V, VDS = 50 V

1

μA

IGSS

Gate-body leakage current

VDS = 0 V, VGS = 6 V

1

μA

VGS(th)

Gate threshold voltage

VDS = 50 V, ID = 50 mA

2.9

V

VDS(on)

Static drain-source on-voltage

VGS = 10 V, ID = 5 A

2.3

V

CRSS

Common source feedback

capacitance

VGS = 0 V, VDD = 50 V,

f = 1 MHz

2

pF

COSS

Common source output

capacitance

44

pF

Table 5. Dynamic

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

f

Frequency

Pin = 14 W, f = 1300 MHz

1200

-

1400

MHz

POUT

Output power

-

350

-

W

Gain

Power gain

-

14

-

dB

Efficiency

Drain efficiency

-

55

-

%

VSWR

Load mismatch

POUT = 350 W, all phases

-

-

10:1

Table 6. Impedance data

Frequency (in MHz)

Input impedance (ZIN)

Drain load impedance (ZDL)

1200

0.12-0.72

3.07+1.82

1300

0.17-0.96

3.18+0.97

1400

0.28-1.3

2.81+0.35

Note:

VDD = 50 V, IDQ = 30 mA, pulsed CW, PW = 10 µs, DC = 1%.

STAC1214-350

Electrical characteristics

DS12756 - Rev 2

page 3/12