MRF177 Datasheet, PDF (4/9 Pages) Motorola, Inc – N-CHANNEL BROADBAND RF POWER MOSFET

f = 400 MHz
f = 400 MHz
ZOL*
Zo = 10 Ω
200
150
Zin
100
200
150
100
NOTE: Input and Output Impedance values given are measured
gate–to–gate and drain–to–drain respectively.
VDD = 28 V IDQ = 200 mA Pout = 100 W
f
(MHz)
Zin
Ohms
ZOL*
Ohms
100
2.0 – j11.5
3.5 – j6
150
2.05 – j9.45 3.35 – j5.34
200
2.1 – j7.5
3.3 – j4.4
400
2.35 + j0.4
3.2 – j1.38
ZOL*: Conjugate of optimum load impedance
into which the device operates at a
given output power, voltage, current
and frequency.
Figure 7. Impedance or Admittance Coordinates
REV 9
4