Kenwood TKR-740 Service Manual page 45

POWER MODULE : RA30H1317M (TX UNIT IC301)
■ M AXIM UM RATINGS (Tc=25°C, Zg=ZI=50Ω)
Symbol Parameter
Vdd SUPPLY VOLTAGE
Vgg GATE BIAS VOLTAGE
Idd DRAIN CURRENT
Pin INPUT POWER
Po OUTPUT POWER
Tc(op) OPERATION CASE TEMPERATURE f=135-175MHz, Vgg 5.0V
Tstg STORAGE TEM PERATURE
■ ELECTRICAL CHARACTERISTICS (Tc=25°C, Zg=ZI=50Ω)
Symbol Parameter
Po OUTPUT POWER f=135-175M Hz,
TOTAL EFFICIENCY Vdd=12.5V, Vgg=5V,
ηt
2fo 2nd HARM ONIC Pin=50mW
3fo 3rd HARM ONIC
VSWRin INPUT VSWR
Idd LEAKAGE CURRENT Vdd=17V, Vgg=0V, Pin=0mW
f=135-175MHz, Po=30W(Vgg No degration
- LOAD VSWR TOLERANCE control), Vdd=15.2V, Pin=50mW, or destroy
LOAD VSWR=20:1
f=135/155/175MHz,
Vdd=10/12.5/15.2V, Vgg=0~5V, –60 dBc
- STABILITY
Pin=25/50/70mW, Po 30W,
LOAD VSWR=3:1
SEMICONDUCTOR DATA
Conditions Ratings Unit
Vgg 5.0V, Zg=ZI=50Ω 17 V
Vdd 12.5V, Pin=50mW,
6 V
Zg=ZI=50Ω
10 A
f=135-175MHz, Vgg 5.0V 100 mW
f=135-175MHz, Vgg 5.0V 45 W
–30 to
°C
+110
–40 to
°C
+110
LIM IT
Conditions Unit
MIN MAX
30 W
40 W
–25 dBc
–30 dBc
3:1 -
1 mA
-
No over
-
Parasitic
oscillation
TKR-740
45