MRF21085LSR3_08 Datasheet, PDF (4/11 Pages) Freescale Semiconductor, Inc – RF Power Field Effect Transistor N-Channel Enhancement-Mode Lateral MOSFET

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
C1, C6
Short Ferrite Bead, Fair Rite, #2743019447
43 pF Chip Capacitors, ATC #100B430JCA500X
C2
10 pF Chip Capacitor, ATC #100B100JCA500X
C3, C9
C4, C10
1000 pF Chip Capacitors, ATC #100B102JCA500X
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
C11, C12
L1
10 mF Tantalum Chip Capacitor, Kemet #T495X106K035AS4394
22 mF Tantalum Chip Capacitors, Kemet #T491X226K035AS4394
1 Turn, #20 AWG, 0.100″ ID
N1, N2
Type N Flange Mounts, Omni Spectra #3052 - 1648 - 10
R1
R2
R3, R4
1.0 kΩ, 1/8 W Chip Resistor
180 kΩ, 1/8 W Chip Resistor
10 Ω, 1/8 W Chip Resistors
MRF21085LSR3
4
RF Device Data
Freescale Semiconductor