MRF171A Datasheet, PDF (4/12 Pages) Tyco Electronics – MOSFET BROADBAND RF POWER FET

RF
INPUT
VGG
+
C1
C2
R1
R3
C3
T1
R2
L2
C8 C9
L1
+
C10
28 V
+
C11
C4
C5
C7
T2
DUT
C6
R4
RF
OUTPUT
C1, C3, C5, C6
C2, C4
C7
C8
C9, C10
C11
0.1 µF, Chip Capacitors
1000 pF, Chip Capacitors
68 pF, Dipped Mica
0.1 µF, Ceramic Cap or Equivalent
680 pF, Feedthru Capacitors
250 µF, 50 V, Electrolytic Capacitor
L1, L2
R1, R2
R3
R4
T1
T2
VK200 20/4B Ferrite Choke
200 Ω, 1/2 W Carbon
3 Ω, 1/2 W Carbon
270 Ω, 2 W Carbon
4:1 Impedance Broadband Transformer
1:4 Impedance Broadband Transformer
Figure 2. MRF171A 30 MHz Test Circuit
REV 2
4