an AMP company
RF MOSFET Power Transistor, IOW, 28V
100 - 500 MHz
Features
l N-Channel Enhancement Mode Device
l DMOS Structure
l Lower Capacitances for Broadband Operation
l Common Source Configuration
l Lower Noise Floor
l 100 MHz to 500 MHz Operation
Absolute Maximum Ratings at 25°C
UF281 OP
Electrical Characteristics at 25°C
Output Capacitance
Reverse Capacitance
Power Gain
Drain Efficiency
Load Mismatch Tolerance
* Per Side
pecifications Subject to Change Without Notice.
C
oss
0, - 2.4 pF VDs=28.0 V, F=l .O MHz’
GP
9D
VSWR-T - 203 -
5
PF
10 -
50 - %
dB
L 1 1% 1 246
N 1 3.61 1 4.37
V,,=28.0 V, I==1 .O MHz’
V,,=28.0 V, I,,,=1 00.0 mA, PO,,,=1 0.0 W, F=500 MHz
V,,=28.0 V, I,,=1 00.0 mA, P,& 0.0 W, F=500 MHz
V,,=28.0 V, IDo= 00.0 mA, Poe1 0.0 W, F=500 MHz
077 .097
1 J42 1 .I72
RF MOSFET Power Transistor, iOW, 28V
Typical Device impedance
UF281 OP
v2.00
Frequency (MHz)
100
300
500
&., (OHMS)
30.0 - i 150.0
15.0
- j 90.0
4.2 -
j 46.0
V,,=28 V, l,=jOO mA, P,,?lO.O Watts
Z,, is the series equwalent input impedance of the device from gate to gate.
Z
LOAD
is tbe optimum series equivalent load impedance as measured from drain to drain.
RF Test Fixture
z
LOAD (OHMS)
70.0 + i 110.0
55.0 + j
48.0 + j
80.0
50.0
P A R T S
Cl0
c5
cl
ii36
7, a 9 SQo PC
cu. 12 13,
1% 17
us
Cl6
zL3
Tt 2 3
L4 lo
L7, 9
ue
l-3, 4
LS,6
01
27 PC
30 PF
6.8 pr
15 PC
.OfS uf
.louf
SOUfSOV.
loo mr4 P5 v.
UK Mw 25 V.
250 5 SO Du SwdIGID COAX
7 TURNS 5 NO. 22 AVG VIRE
1s TURNS 5 NJ. 22 AVG vm
35’ OF SO OHN TRANSNISSIDN IDE
.7v 5 50 pE( T-W LINE
1~OFSOOHNlRANSNISSIONLIM
lF281OP
L I ST