MRF160 Datasheet, PDF (3/9 Pages) Motorola, Inc – MOSFET BROADBAND RF POWER FET

Bias
Supply
R3
R2
RF Input
C1 _C2
C3
C10
C7
C8
RFC2
R1
DUT
C4
RFC1
C11
C9
VDD 28 V
+
+
VDC
C12
–
C6
C5
RF Output
C1, C6
C2
C4, C5
C3
C7, C9
C8
C10, C11
C12
240 pF, 100 mil Chip Capacitors
15 pF, 100 mil ATC Chip Capacitor
1 – 10 pF, Johanson Trimmer Capacitors
24 pF, 100 mil ATC Chip Capacitor
0.1 mF, 100 mil Chip Capacitors
220 pF, 100 mil ATC Chip Capacitor
680 pF, Feed Through Capacitors
50 mF, 50 V Electrolytic Capacitor
R1
R2
R3
RFC1
RFC2
200 Ω, 1/2 Watt
10 kΩ, 1/2 Watt
1 kΩ, 1/2 Watt
Ferroxcube VK200–19/4B
8 Turns, #20 AWG, Enameled, ID 110 mils
Board Material — 0.062″, Teflon^ Fiberglass, 1 oz.,
Copper clad both sides, ε_r = 2.55
C5
900 mils
C2
1300 mils
C3 & C4
300 mils
Input Line
160 mils X 5315 mils
Output Line
160 mils X 4345 mils
NOTE: Due to variation in Chip Capacitor values and
board material, these are approximate positions.
Figure 1. MRF160 500 MHz Test Circuit
REV 5
3