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MRF559
MRF559G
Rev A 9/2005
FUNCTIONAL
Symbol Test Conditions Value
Min. Typ. Max. Unit
G
PE
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
G
PE
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
