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MRF559

MRF559G

Rev A 9/2005

FUNCTIONAL

Symbol

Test Conditions

Value

Min.

Typ.

Max.

Unit

Power Gain

Test Circuit-Figure 1

Pout = 0.5 W, VCE =12.5Vdc

f = 870

MHz

f = 512

MHz

8.0

-

9.5

13

-

dB

η

Collector Efficiency

Test Circuit-Figure 1

Pout = 0.5 W, VCE =12.5Vdc

f = 870

MHz

f = 512

MHz

50

-

65

60

-

%

Typical Performance @ VCC = 7.5V

Power Gain

Test Circuit-Figure 1

Pout = 0.5 W, VCE =7.5Vdc

f = 870 MHz

f = 512

MHz

-

-

6.5

10

-

-

dB

η

Collector Efficiency

Test Circuit-Figure 1

Pout = 0.5 W, VCE =7.5Vdc

f = 870 MHz

f = 512

MHz

-

-

70

65

-

-

%

Figure 2. 870 MHz Test Fixture

C1, C2, C4, C5 — 1.0–10 pF Johanson

C3, C6 — 0.001

µF Chip Capacitor

C7 — 1.0

µF Tantalum

L1, L4 — 4 Turns #26 AWG, 0.3 cm ID, 0.4 cm Long

L2, L3 — Ferrite Bead

Z1 — 50

Ω 1.5 cm

Z2 — 30

Ω 2.5 cm

Z3 — 50

Ω 2.0 cm

Z4 — 50

Ω 1.2 cm

Z5, Z6 — 50

Ω 1.25 cm

Microstrip Elements —

ε r = 2.55