MRF21085LR3 Datasheet, PDF (4/12 Pages) Freescale Semiconductor, Inc – RF Power Field Effect Transistors

V_BIAS
R3
R1
B1
+
R2
C5 C4 C3
C2
RF
INPUT _Z1
Z4
Z2
Z3
C1
R4
+
L1
C7 C8
V_SUPPLY
+
+
C9 C10 C11 C12
Z8
Z5 Z6
RF
Z7 ^OUTPUT
DUT
C6
Z1
0.750″ x 0.084″ Microstrip
Z2
1.015″ x 0.084″ Microstrip
Z3
0.480″ x 0.800″ Microstrip
Z4
0.750″ x 0.050″ Microstrip
Z5
0.610″ x 0.800″ Microstrip
Z6
0.885″ x 0.084″ Microstrip
Z7
0.720″ x 0.084″ Microstrip
Z8
0.800″ x 0.070″ Microstrip
Board
PCB
0.030″ Glass Teflon^®,
Keene GX - 0300- 55 - 22, ε_r = 2.55
Etched Circuit Boards
MRF21085 Rev. 3, CMR
Figure 1. MRF21085L Test Circuit Schematic
Table 5. MRF21085 Test Circuit Component Designations and Values
Designators
Description
B1
Short Ferrite Bead, Fair Rite, #2743019447
C1, C6
43 pF Chip Capacitors, ATC #100B430JCA500X
C2
10 pF Chip Capacitor, ATC #100B100JCA500X
C3, C9
1000 pF Chip Capacitors, ATC #100B102JCA500X
C4, C10
0.1 mF Chip Capacitors, Kemet #CDR33BX104AKWS
C5
1.0 mF Tantalum Chip Capacitor, Kemet #T491C105M050
C7
2.7 pF Chip Capacitor, ATC #100B2R7JCA500X
C8
10 mF Tantalum Chip Capacitor, Kemet #T495X106K035AS4394
C11, C12
22 mF Tantalum Chip Capacitors, Kemet #T491X226K035AS4394
L1
1 Turn, #20 AWG, 0.100″ ID
N1, N2
Type N Flange Mounts, Omni Spectra #3052 - 1648- 10
R1
1.0 kΩ, 1/8 W Chip Resistor
R2
180 kΩ, 1/8 W Chip Resistor
R3, R4
10 Ω, 1/8 W Chip Resistors
MRF21085LR3 MRF21085LSR3
4
RF Device Data
Freescale Semiconductor