M A COM PH1819-45 Datasheet
Wireless Bipolar Power Transistor, 45W
1805 - 1880 MHz
Features
NPN Silicon Microwave Power Transistor
Common Emitter Class AI3 Operation
Internal Input and Output Impedance Matching
Diffused Emitter Ballasting
Gold Metalization System
Absblute Maximum Ratings at 25°C
Parameter Symbol Rating
Collector-Emitter Voltage
Collector-EmitterVoltage V
Emitter-Base Voltage V
CollectorCurrent
Power Dissipation
JunctionTemperature
Storage Temperature
Thermal Resistance
V
T
8
CES
CES
EBO
Ic
PO
TJ
ST0
JC
25
65
3.0
5.5
loo
200 “C
-65 to ~200
1.3
Units
V
V
V
A
w
“c
“CPA
PHl819-45
-(22.95)
.175=.315
(4.455.3a)
.157r.o10
r(4.24t.251
UNLCSS GTHCRWISE NOTED. TOLERANCCS ARE cMILLIYETrRS =,13HM>
900
J!
IK-JES 2.005'
.003L.rlOl
(.08=.03) 1
Vl .oo
Electrical Characteristics at 25°C
Parameter
Power Gain
Collector Efficiency
Input Return Loss RL
Load Mismatch Tolerance
L
Symbol
GP
%
VSWR-T - 3:l -
Broadband Test Fixture ImDedances
I
F(MHz)
1805 2.0 - j3.8
la50
1880 2.0 - j3.7
I
I
z,,(n)
2.0 - j3.8
I
z&3
3.7 - jl.4
3.9 - jl.8
3.9 - j2.1
Min Max Units
8 - dB
40 - %
10 -
dB
I
1
lest Conditions
V,,=25 V, lo=200 mA, P,e45 W, F=l805,1880 MHz
V,c=25 V. lo=200 mA. PO,=45 W, F=l805,1880 MHz
v,,=25 V, I,,=200 mA, PO,=45 W. F=1805.1880 MHz
v,,=25 V, I,,=200 mA, PO,=45 W, F=l805,1880 MHz
TEST =IXTURE
TZST FIXTURE
Wireless Bipolar Power Transistor, 45W
PH1819-45
v1.00
RF Test Fixture
CARBON RESISTOR
5.1 OttJ 0.25 w.
INDUCTOWRESISTOR
12 TURNS OF NO. 22
AWG ON 3 OM
0.25 w. -
PC BOARDS
ROGERS 6010.5
0.025" Er-10.5
\
2 PLACES --c
HEATSINK,
ALUMINUM
73050255-02
CARRIER
BRASS
73650257-12
DIODE 35417AKK
BANANA JACKS AT BOTGM
3 PLACES
POLAPJTY BAND
I
I \
II \
L
TRANSISTOR .
CARRIER,
COPPER
73050256-02
L BOARD
L
TRANSISTOR
CLAMP,
NORYL
74250325-03
ELEClROLYlIC
50 UF 50 V
TTSBHSBA
CHIP CAPACITOR,
SK4 CONNECTOR.
2052-5636-02
CHIP CAPACITORS,
33pF ATC100A
4 PLACES
CARRIER
BRASS
73050257-12
Test Fixture PC Board Dimensions
r-Inn
- -I-
r
1.011" I
0.989"
‘I 1.““;; 1 1,0i6”
n=0.98S"
1
i.¶
F:
6
0.884"
i
I
d
l-J
1.311"
0.686"
2.009"
I -1 I II I
1.056" u"
I
0949" - I
^ -7-N
1.088"
0.961"
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