MRF21125S MOTOROLA [Motorola, Inc], MRF21125S Datasheet - Page 4

• Manufacturer Part Number: MRF21125S
• Description: RF POWER FIELD EFFECT TRANSISTORS
• Manufacturer: MOTOROLA [Motorola, Inc]

B1
C1
C2, C4, C11, C12
C3, C7
C5, C14
C6
C8
C9
C10
C13
C15
C16
R1
R2
R3
R4
W1
MRF21125 MRF21125S MRF21125SR3
4
Designators
Z1
Z2
Z3
Z4
Z5
Z6
Z7
Z8
Table 1. MRF21125 Test Circuit Component Designations and Values
1.212″ x 0.082″ Microstrip
0.236″ x 0.082″ Microstrip
0.086″ x 0.254″ Microstrip
0.357″ x 0.082″ Microstrip
0.274″ x 1.030″ Microstrip
0.466″ x 0.050″ Microstrip
0.501″ x 0.050″ Microstrip
0.600″ x 1.056″ Microstrip
Ferrite Bead (Square), Fair Rite #2743019447
9.1 pF Chip Capacitor, B Case, ATC #100B9R1CCA500X
22 µF, 35 V Tantalum Surface Mount Chip Capacitors, Kemet #T491X226K035AS4394
20000 pF Chip Capacitors, B Case, ATC #100B203JCA50X
5.1 pF Chip Capacitors, B Case, ATC #100B5R1CCA500X
100000 pF Chip Capacitor, B Case, ATC #100B104JCA50X
10000 pF Chip Capacitor, B Case, ATC #100B103JCA50X
7.5 pF Chip Capacitor, B Case, ATC #100B7R5CCA500X
1.2 pF Chip Capacitor, B Case, ATC #100B1R2CCA500X
0.1 µF Chip Capacitor, Kemet #CDR33BX104AKWS
16 pF Chip Capacitor, B Case, ATC #100B160KP500X
0.6 – 4.5 pF Variable Capacitor, Johanson Gigatrim #27271SL
1.0 kΩ, 1/8 W Chip Resistor
560 kΩ, 1/8 W Chip Resistor
4.7 Ω, 1/8 W Chip Resistor
12 Ω, 1/8 W Chip Resistor
Solid Copper Buss Wire, 16 AWG
Figure 1. MRF21125 Test Circuit Schematic
Z9
Z10
Z11
Z12
Z13
Raw Board
Material
Description
0.179″ x 0.219″ Microstrip
0.100″ x 0.336″ Microstrip
0.534″ x 0.142″ Microstrip
0.089″ x 0.080″ Microstrip
0.620″ x 0.080″ Microstrip
0.030″ Glass Teflon
Arlon GX0300–55–22, ε
3″ x 5″ Dimensions,
MOTOROLA RF DEVICE DATA

, 2 oz Copper,
r
= 2.55