Mitsubishi M68731N Datasheet
MITSUBISHI RF POWER MODULE
Nov. ´97
1
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ηT
ρin
°C
°C
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M68731N
SILICON MOS FET POWER AMPLIFIER, 142-163MHz, 7W, FM PORTABLE RADIO
OUTLINE DRAWING
0.45
6±1
13.7±1
18.8±1
26.6±0.2
21.2±0.2
23.9±1
30±0.2
Dimensions in mm
2-R1.5±0.1
BLOCK DIAGRAM
PIN:
Pin : RF INPUT
VGG : GATE BIAS SUPPLY
VDD : DRAIN BIAS SUPPLY
PO : RF OUTPUT
GND: FIN
ABSOLUTE MAXIMUM RATINGS (Tc=25°C unless otherwise noted)
Symbol Parameter Conditions Ratings Unit
VGG≤3.5V, ZG=ZL=50Ω
f=142-163MHz, ZG=ZL=50Ω
f=142-163MHz, ZG=ZL=50Ω
f=142-163MHz, ZG=ZL=50Ω
-30 to +100TC (OP) Operation case temperature
-40 to +110Tstg Strage temperature
Note. Above parameters are guarateed independently.
ELECTRICAL CHARACTERISTICS (Tc=25°C, ZG=ZL=50Ω unless otherwise noted)
Symbol Parameter Test conditions
f
PO
2fO
Note. Above parameters, ratings, limits and test conditions are subject to change.
Frequency range
Output power
Total efficiency
2nd. harmonic
Input VSWR
-
Stability
-
Load VSWR tolerance
VDD=7.2V,
VGG=3.5V,
Pin=50W
ZG=50Ω, VDD=4-9.2V,
Load VSWR<4:1
VDD=9.2V, Pin=50mW,
PO=7W (VGG adjust), ZL=20:1
No parasitic oscillation
No degradation or
destroy
Limits
Min Max
142 163
7
45
-20
4
V9.2VDD Supply voltage
V4VGG Gate bias voltage
mW70Pin Input power
W10PO Output power
Unit
MHz
W
%
dBc
-
-
-
SILICON MOS FET POWER AMPLIFIER, 142-163MHz, 7W, FM PORTABLE RADIO
Nov. ´97
ηT
ηT
ηT
TYPICAL PERFORMANCE DATA
OUTPUT POWER, TOTAL EFFICIENCY
10
9
8
7
6
5
4
3
2
1
0
135 140 150 175
VS. FREQUENCY
PO
145 155 165
FREQUENCY f (MHz)
VDD=7.2V
VGG=3.5V
Pin=50mW
160 170
100
90
80
70
60
50
40
30
20
10
0
MITSUBISHI RF POWER MODULE
M68731N
OUTPUT POWER, TOTAL EFFICIENCY
10.0
1.0
0.1
0.5 3.5
VS. GATE VOLTAGE
ηT
PO
f=142MHz
VDD=7.2V
Pin=50mW
2.0
2.5
GATE VOLTAGE VGG (V)
3.01.0 1.5
100
10
1
OUTPUT POWER, TOTAL EFFICIENCY
10.0
1.0
0.1
0.5 3.5
OUTPUT POWER, TOTAL EFFICIENCY
16
14
12
VS. GATE VOLTAGE
PO
f=163MHz
VDD=7.2V
Pin=50mW
2.0
2.5
GATE VOLTAGE VGG (V)
VS. SUPPLY VOLTAGE
3.01.0 1.5
100
10
1
80
70
60
OUTPUT POWER, TOTAL EFFICIENCY
16
14
12
10
8
6
4
2
0
VS. SUPPLY VOLTAGE
ηT
PO
f=142MHz
VGG=3.5V
Pin=50mW
4 6 8 9
5 7
SUPPLY VOLTAGE VDD (V)
80
70
60
50
40
30
20
10
0
10
8
6
4
2
0
4 6 8 9
5 7
SUPPLY VOLTAGE VDD (V)
PO
f=163MHz
VGG=3.5V
Pin=50mW
50
40
30
20
10
0
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