Mitsubishi M68745H Silicon mos fet power amplifier, 896-941mhz, 3.8w, fm portable radio Datasheet

MITSUBISHI RF POWER MODULE
M68745H
SILICON MOS FET POWER AMPLIFIER, 896-941MHz, 3.8W, FM PORTABLE RADIO
Dimensions in mm
OUTLINE DRAWING
BLOCK DIAGRAM
45
2
3
42
2-R1.5
1
4
5
5
18
5
8.5
(36.5)
PIN:
1 Pin : RF INPUT
2 VGG : GATE BIAS SUPPLY
3 VDD : DRAIN BIAS SUPPLY
4 PO : RF OUTPUT
5 GND: FIN
35
1.5
6.4
1.5
32.2
H50
ABSOLUTE MAXIMUM RATINGS (Tc=25°C unless otherwise noted)
Symbol
VDD
VGG
Pin
PO
TC (OP)
Tstg
Parameter
Supply voltage
Gate bias voltage
Input power
Output power
Operation case temperature
Storage temperature
Conditions
ZG=ZL=50Ω
f=896-941MHz, ZG=ZL=50Ω
f=896-941MHz, ZG=ZL=50Ω
f=896-941MHz, ZG=ZL=50Ω
Ratings
9
5.5
6
6
-30 to +100
-40 to +100
Unit
V
V
mW
W
°C
°C
Note. Above parameters are guaranteed independently.
ELECTRICAL CHARACTERISTICS (Tc=25°C, ZG=ZL=50Ω unless otherwise noted)
Symbol
Parameter
Test conditions
Limits
Min
896
3.8
Max
941
f
PO
2fO
ρin
Frequency range
Output power
2nd. harmonic
Input VSWR
ηT
Total efficiency
PO=3.8W(VGG=Adjust), VDD=7.2V,
Pin=1mW, ZG=ZL=50Ω
Stability
ZG=ZL=50Ω, VDD=5-9.3V,
Load VSWR <4:1
No parasitic oscillation
Load VSWR tolerance
VDD=9V, Pin=1mW,
PO=3.8W (VGG Adjust), ZL=20:1
No degradation or
destroy
VDD=7.2V, VGG=5V, Pin=1mW,
ZG=ZL=50Ω
-30
4
30
Unit
MHz
W
dBc
%
Note. Above parameters, ratings, limits and test conditions are subject to change.
Nov. ´97
MITSUBISHI RF POWER MODULE
M68745H
SILICON MOS FET POWER AMPLIFIER, 896-941MHz, 3.8W, FM PORTABLE RADIO
TYPICAL PERFORMANCE DATA
OUTPUT POWER, INPUT VSWR,
TOTAL EFFICIENCY VS. FREQUENCY
5.0
50
PO
4.5
45
4.0
40
3.5
35
ηT
3.0
30
2.5
25
2.0
20
1.5
VDD=7.2V
1.0 VGG=5V
0.5 Pin=1mW
ZG=ZL=50 Ω
0.0
840 860 880
OUTPUT POWER, TOTAL EFFICIENCY
VS. INPUT POWER
10
100.00
f=896MHz
PO
VDD=7.2V
VGG=5V
ZG=ZL=50Ω
10.0
1
15
ρin
10
5
900
920
0
960
940
0.1
-25
1.0
-20
FREQUENCY f (MHz)
10
100.00
f=941MHz
VDD=7.2V
VGG=5V
ZG=ZL=50Ω
PO
ηT
10.0
1
1.0
-20
-15
-10
-5
-15
-10
-5
0
5
INPUT POWER Pin (dBm)
OUTPUT POWER, TOTAL EFFICIENCY
VS. INPUT POWER
0.1
-25
ηT
0
5
OUTPUT POWER, TOTAL EFFICIENCY
VS. GATE SUPPLY VOLTAGE
5.0
50
f=896MHz
P
O
4.5
45
VDD=7.2V
4.0 Pin=1mW
40
ZG=ZL=50 Ω
η
T
3.5
35
3.0
30
2.5
25
2.0
20
1.5
15
1.0
10
0.5
5
0.0
2.5
3.0
3.5
4.0
4.5
0
5.0
INPUT POWER Pin (dBm)
GATE SUPPLY VOLTAGE VGG (V)
OUTPUT POWER, TOTAL EFFICIENCY
VS. GATE SUPPLY VOLTAGE
OUTPUT POWER, TOTAL EFFICIENCY
VS. DRAIN SUPPLY VOLTAGE
5.0
50
4.5
PO
4.0
45
14
70
f=896MHz
VGG=5V
Pin=1mW
ZG=ZL=50Ω
12
40
3.5
ηT
3.0
35
30
10
60
PO
50
8
40
ηT
2.5
25
2.0
20
6
30
15
4
20
2
10
1.5
f=941MHz
VDD=7.2V
Pin=1mW
ZG=ZL=50 Ω
1.0
0.5
0.0
2.5
3.0
3.5
4.0
4.5
GATE SUPPLY VOLTAGE VGG (V)
10
5
0
5.0
0
0
2
4
6
8
10
12
0
14
DRAIN SUPPLY VOLTAGE VDD (V)
Nov. ´97
MITSUBISHI RF POWER MODULE
M68745H
SILICON MOS FET POWER AMPLIFIER, 896-941MHz, 3.8W, FM PORTABLE RADIO
OUTPUT POWER, TOTAL EFFICIENCY
VS. DRAIN SUPPLY VOLTAGE
14
70
f=941MHz
12 VGG=5V
60
Pin=1mW
PO
10 ZG=ZL=50Ω
50
8
40
ηT
6
30
4
20
2
10
0
0
2
4
6
8
10
12
0
14
DRAIN SUPPLY VOLTAGE VDD (V)
Nov. ´97
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