50 OHM APPLICATION CIRCUIT: 2500--3800 MHz
V SUPPLY
R1
L1
C3
C4
RF
INPUT
Z1
Z2
Z3
DUT
Z4
Z5
Z6
Z7
RF
OUTPUT
C1
C5
V CC
C6
C2
Z1
Z2
Z3
Z4
0.347 ″ x 0.058 ″ Microstrip
0.489 ″ x 0.058 ″ Microstrip
0.086 ″ x 0.058 ″ Microstrip
0.097 ″ x 0.058 ″ Microstrip
Z5
Z6
Z7
PCB
0.075 ″ x 0.058 ″ Microstrip
0.403 ″ x 0.058 ″ Microstrip
0.347 ″ x 0.058 ″ Microstrip
Getek Grade ML200C, 0.031 ″ , ε r = 4.1
Figure 20. 50 Ohm Test Circuit Schematic
20
10
S21
R1
0
--10
S11
C1
L1
C4
C3
C2
--20
--30
C5
C6
--40
--50
S22
V DD = 5 Vdc
MMG30XX
Rev 2
2400
2700
3000
3300
3600
3900
f, FREQUENCY (MHz)
Figure 21. S21, S11 and S22 versus Frequency
Figure 22. 50 Ohm Test Circuit Component Layout
Table 10. 50 Ohm Test Circuit Component Designations and Values
C1, C2
C3
C4
C5
C6
L1
R1
Part
Description
2 pF Chip Capacitors
0.1 μ F Chip Capacitor
1 μ F Chip Capacitor
0.8 pF Chip Capacitor
0.4 pF Chip Capacitor
56 nH Chip Inductor
0 Ω , 1/10 W Chip Resistor
Part Number
06035J2R0BBS
C0603C104J5RAC
C0603C105J5RAC
06035J0R8BBS
06035J0R4BBS
HK160856NJ--T
CRCW06030000FKEA
Manufacturer
AVX
Kemet
Kemet
AVX
AVX
Taiyo Yuden
Vishay
MMH3111NT1
8
RF Device Data
Freescale Semiconductor, Inc.
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