MRF166 Datasheet, PDF (3/8 Pages) Motorola, Inc – MOSFET BROADBAND RF POWER FETs

R3
C4
+
C13
–
R2
D1
C8
R4
RF INPUT
Z1
C1
Z2 L1
C2
C9
R1
Z3 L2
Z4
C3
RFC1
C10
C11
RFC2
Z5
D.U.T.
Z6
C5
VDD = 28 V
+
– ^C12
+
Vdc
–
Z7 ^{RF OUTPUT}
C7
C6
C1, C7 — 270 pF Chip Capacitor
C2, C6 — Johanson Trimmer Capacitor, 2 – 20 pF
C3 — 21 pF Mini Unelco
C4, C8, C9 — 0.01 µF
C5 — 18 pF Mini Unelco
C10, C11 — 680 pF Feed Through
C12, C13 — 50 µF, 50 V
D1 — 1N5925A Motorola Zener
Board Material — Teflon fiberglass
2 oz. Copper clad both sides, ε_r = 2.55
0.060″ Dielectric Thickness
L1 — #18 AWG, 2 Turns, 0.25″ ID
0.15″ Wide
L2 — #18 AWG Hairpin 0.7″ long, bend into hairpin
RFC1 — Ferroxcube VK200–19/4B
RFC2 — 18 Turns #18 AWG Enameled, 0.3″ ID
R1 — 220 Ω 1/2 Watt
R2 — 1.8 kΩ 1/4 Watt
R3 — 10 kΩ, 10 Turns Bourns
R4 — 10 k 1/4 Watt
Z1 — Microstrip Line 0.150″ wide, 0.420″ long
Z2 — Microstrip Line 0.150″ wide, 0.350″ long
Z3 — Microstrip Line 0.150″ wide, 0.350″ long
Z4 — Microstrip Line 0.150″ wide, 0.450″ long
Z5 — Microstrip Line 0.150″ wide, 1.1″ long
Z6 — Microstrip Line 0.150″ wide, 0.650″ long
Z7 — Microstrip Line 0.150″ wide, 0.200″ long
Figure 1. MRF166C 400 MHz Test Circuit
R1
C7
+
C8
–
R2
D1
C9
RFC2
RFC1
C10
C11
+
C12
–
VDD = 28 V
+
C13 ^Vdc
–
RF INPUT
R4
C6
R3
L1
C1
C2
L2
C3
D.U.T.
L3
C4
RF OUTPUT
C5
C1, C2 — 406 ARCO
C3 — 39 pF ATC 100 Mil Chip Cap
C4 — 403 ARCO
C5 — 470 pF ATC 100 Mil Chip Cap
C6, C7, C9, C13 — 0.01 µF
C8, C12 — 50 µF, 50 V
C10, C11 — 680 pF Feed Through
D1 — 1N5925A Motorola Zener
L1 — #20 AWG 2 Turns, 0.235″ ID, 0.10″ OD
L2 — #18 AWG 2 Turns, 0.225″ ID, 0.22″ OD
L3 — #18 AWG 2 Turns, 0.325″ ID, 0.13″ OD
RFC1 — Ferroxcube VK200–19/4B
RFC2 — 18 Turns #18 AWG Enameled, 0.3″ ID
R1 — 10 kΩ, 10 Turn Bourns
R2 — 1.8 kΩ 1/4 Watt
R3 — 120 Ω 1/2 Watt
R4 — 10 kΩ 1/4 Watt
Board Material — 0.062″ G10, 2 oz Cu Clad Double Sided
Figure 2. MRF166 150 MHz Test Circuit
MOTOROLA RF DEVICE DATA
MRF166 MRF166C
3