MITSUBISHI RF POWER MODULE
M68757L
SILICON MOS FET POWER AMPLIFIER, 806-870MHz, 3W, FM PORTABLE RADIO
OUTPUT POWER, TOTAL EFFICIENCY
VS. DRAIN SUPPLY VOLTAGE
14
70
12
60
10
50
ηT
8
40
6
30
4
20
f=870MHz
PO
2
VGG=3.5V
Pin=50mW 10
ZG=ZL=50Ω
0
0
3.5 4.5 5.5 6.5 7.5 8.5 9.5 10.5 11.5 12.5
DRAIN SUPPLY VOLTAGE VDD (V)
Nov. ´97