
MRF284LR1 MRF284LSR1
MOTOROLA RF DEVICE DATA
Figure 1. 1.93-2.0 GHz Broadband Test Circuit Schematic
RF
INPUT
RF
OUTPUT
Z12
Z1
Z2
Z3
Z4
VGG
C5
C1
C16
W1
R1
C3
+
C4
B1
R2
C6
B2
R3
C7
C2
Z5
L1
Z7
Z8
DUT
VDD
W3
R7
C17
+
C14
W2
R6
C12
B3
R5
C13
C15
L2
C10
Z11
C11
Z13
Z14
Z16
L3
Z17
Z11
0.155″ x 0.515″ Microstrip
Z12
0.120″ x 0.325″ Microstrip
Z13
0.150″ x 0.325″ Microstrip
Z14
0.010″ x 0.325″ Microstrip
Z15
0.505″ x 0.080″ Microstrip
Z16
0.865″ x 0.080″ Microstrip
Z17
0.525″ x 0.080″ Microstrip
PCB
Arlon GX0300-55-22, 0.030″,
εr = 2.55
Z6
R4
Z15
Z10
C8
Z9
C9
C18
+
Z1
0.530″ x 0.080″ Microstrip
Z2
0.255″ x 0.080″ Microstrip
Z3
0.600″ x 0.080″ Microstrip
Z4
0.525″ x 0.080″ Microstrip
Z5
0.015″ x 0.325″ Microstrip
Z6
0.085″ x 0.325″ Microstrip
Z7
0.165″ x 0.325″ Microstrip
Z8
0.110″ x 0.515″ Microstrip
Z9
0.095″ x 0.515″ Microstrip
Z10
0.050″ x 0.515″ Microstrip
Table 1. 1.93 - 2.0 GHz Broadband Test Circuit Component Designations and Values
Designators
Description
B1 - B3
Ferrite Beads, Round, Ferroxcube #56-590-65-3B
C1, C2, C8
0.8-8.0 pF Gigatrim Variable Capacitors, Johanson #27291SL
C3, C17
22 mF, 35 V Tantalum Surface Mount Chip Capacitors, Kemet #T491X226K035AS4394
C4, C14
0.1 mF Chip Capacitors, Kemet #CDR33BX104AKWS
C5
220 pF Chip Capacitor, B Case, ATC #100B221KP500X
C6, C12
1000 pF Chip Capacitors, B Case, ATC #100B102JCA50X
C7, C13
5.1 pF Chip Capacitors, B Case, ATC #100B5R1CCA500X
C9
1.2 pF Chip Capacitor, B Case, ATC #100B1R2CCA500X
C10
2.7 pF Chip Capacitor, B Case, ATC #100B2R7CCA500X
C11
0.6-4.5 pF Gigatrim Variable Capacitors, Johanson #27271SL
C15, C16
200 pF Chip Capacitors, B Case, ATC #100B201KP500X
C18
10 mF, 35 V Tantalum Surface Mount Chip Capacitor, Kemet #T495X106K035AS4394
L1, L2
4 Turns, #24 AWG, 0.120″ OD, 0.140″ Long, (12.5 nH), Coilcraft #A04T-5
L3
2 Turns, #24 AWG, 0.120″ OD, 0.140″ Long, (5.0 nH), Coilcraft #A02T-5
R1, R2, R3, R5, R6, R7
12 , 1/4 W Chip Resistors, 0.08″ x 0.13″, Garrett Instruments #RM73B2B120JT
R4
560 k, 1/4 W Chip Resistor, 0.08″ x 0.13″
W1, W2, W3
Solid Copper Buss Wire, 16 AWG
WS1, WS2
Beryllium Copper Wear Blocks 0.005″ x 0.250″ x 0.250″