MRF187 Datasheet, PDF (3/8 Pages) Motorola, Inc – RF POWER FIELD EFFECT TRANSISTORS

V_{GG R1}
R3
+
+
C1 C2 ^R2
B1
C3
C4
L1
B2
C12 C13
+
C16 C17
+
C18
V_DD
+
C19
L2
RF
INPUT _Z1
Z2
Z3
Z4
C5
C6
C7
C8
Z5 Z6
C9
C11
Z7
Z8
C10
DUT
Z9
Z4
C14
RF
Z10
Z11 ^OUTPUT
C20
C15
B1 – B2
C1
C2, C16
C3
C4, C13
C5, C20
C6, C15
C7
C8, C9
C10, C11
C12
C14
C17, C18, C19
Ferrite Bead, Fair Rite, 2743019447
10 µF, 50 V, Electrolytic Capacitor, ECEV1HV100R Panasonic
0.10 µF, B Case Chip Capacitors, CDR33BX104AKWS, Kemet
20000 pF, B Case Chip Capacitor, 200B203MCA50X, ATC
100 pF, B Case Chip Capacitors, 100B101JCA500X, ATC
47 pF, B Case Chip Capacitors, 100B470JCA500X, ATC
0.8 – 8.0 pF, Variable Capacitors, Johanson Gigatrim
4.7 pF, B Case Chip Capacitor, 100B4R7JCA500X, ATC
10 pF, B Case Chip Capacitors, 100B100JCA500X, ATC
16 pF, B Case Chip Capacitors, 100B160JCA500X, ATC
43 pF, B Case Chip Capacitor, 100B430JCA500X, ATC
7.5 pF, B Case Chip Capacitor, 100B7R5JCA500X, ATC
10 µF, 35 V, Electrolytic Capacitors, SMT, Kemet
L1, L2
R1
R2
R3
Z1, Z11
Z2, Z10
Z3
Z4
Z5
Z6
Z7
Z8
Figure 1. MRF187 Schematic
5 Turns, #24 AWG, 0.059″ OD
12 Ω, 1/4 Watt Carbon
4.7 MΩ, 1/4 Watt Carbon
16 kΩ, 1/4 Watt Carbon
0.150″ x 0.220″ Microstrip
0.410″ x 0.220″ Microstrip
0.160″ x 0.630″ Microstrip
0.160″ x 0.630″ Microstrip
0.098″ x 0.630″ Microstrip
0.098″ x 0.630″ Microstrip
0.210″ x 0.220″ Microstrip
0.050″ x 0.220″ Microstrip
MOTOROLA RF DEVICE DATA
MRF187 MRF187R3 MRF187SR3
3