Typical performance PD55008-E, PD55008S-E
10/25 Doc ID 12259 Rev 2
Figure 23. Output power vs. supply voltage Figure 24. Drain efficiency vs. supply voltage
9101112131415
VDD, SUPPLY VOLTAGE (V)
3
4
5
6
7
8
9
10
11
12
13
Pout, OUTPUT POWER (W)
480 MHz
500 MHz
520 MHz
Idq= 150 mA
Pin= 21 dBm
520 MHz
9101112131415
VDD, SUPPLY VOLTAGE (V)
20
30
40
50
60
70
Nd, DRAIN EFFICIENCY (%)
480 MHz
500 MHz
520 MHz
Idq= 150 mA
Pin= 21 dBm
Figure 25. Output power vs. supply voltage
01234
VGS, GATE-SOURCE VOLTAGE (V)
0
2
4
6
8
10
12
Pout, OUTPUT POWER (W)
480 MHz 500 MHz
520 MHz
V
DD
= 12.5 V
Pin= 21 dBm
PD55008-E, PD55008S-E Test circuit
Doc ID 12259 Rev 2 11/25
5 Test circuit
Figure 26. Test circuit schematic
Table 9. Test circuit component part list
Component Description
B1, B2 Short ferrite bead, fair rite products (2743021446)
C1, C12 240 pF, 100 mil chip capacitor
C2,C3,C10,C11 0 TO 20 pF, trimmer capacitor
C4 82 pF, 100 mil chip capacitor
C5,C16 120 pF, 100 mil chip capacitor
C6,C13 10 µF, 50 V electrolytic capacitor
C7, C14 1.200 pF, 100 mil chip capacitor
C8,C15 0.1 F, 100 mil chip capacitor
C9 30 pF, 100 mil chip capacitor
L1 55.5 nH, turn, Coilcraft
N1, N2 Type N flange mount
R1 15 Ω, 0805 chip resistor
R2 51 Ω, 1/2 W resistor
R3 10 Ω, 0805 chip resistor
R4 33 kΩ, 1/8 Ω resistor
Z1 0.451” X 0.080” microstrip
Z2 1.005” X 0.080” microstrip
Z3 0.020” X 0.080” microstrip
Z4 0.155” X 0.080” microstrip
Z5,Z6 0.260” X 0.233” microstrip
Z7 0.065” X 0.080” microstrip
Test circuit PD55008-E, PD55008S-E
12/25 Doc ID 12259 Rev 2
Z8 0.266” X 0.080” microstrip
Z9 1.113” X 0.080” microstrip
Z10 0.433” X 0.080” microstrip
Board Roger ultra lam 2000 THK 0.030”
ε
r
= 2.55 2oz ED Cu both sides
Table 9. Test circuit component part list (continued)
Component Description

PD55008S-E

Mfr. #:
Manufacturer:
STMicroelectronics
Description:
RF MOSFET Transistors POWER R.F.
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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