MMG3003NT1 데이터 시트보기 (PDF) - Freescale Semiconductor
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MMG3003NT1 Datasheet PDF : 18 Pages
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50 OHM APPLICATION CIRCUIT: 40--800 MHz
VSUPPLY
R1
RF
INPUT
Z1
Z2
C1
L1
DUT
Z3
VCC
C3
C4
Z4
Z5
C2
Z6
C5
RF
OUTPUT
Z1 0.347″ x 0.058″ Microstrip
Z2 0.575″ x 0.058″ Microstrip
Z3 0.172″ x 0.058″ Microstrip
Z4 0.403″ x 0.058″ Microstrip
Z5
Z6
PCB
0.286″ x 0.058″ Microstrip
0.061″ x 0.058″ Microstrip
Getek Grade ML200C, 0.031″, εr = 4.1
Figure 14. 50 Ohm Test Circuit Schematic
30
S21
20
10
0
S22
--10
R1
C4
C3
L1
C1
C2
C5
--20
--30
0
S11
200
400
VCC = 6.2 Vdc
600
800
f, FREQUENCY (MHz)
Figure 15. S21, S11 and S22 versus Frequency
MMG30XX
Rev 2
Figure 16. 50 Ohm Test Circuit Component Layout
Table 8. 50 Ohm Test Circuit Component Designations and Values
Part
Description
Part Number
Manufacturer
C1, C2, C4
0.01 μF Chip Capacitors
C0603C103J5RAC
Kemet
C3
68 pF Chip Capacitor
C0805C680J5RAC
Kemet
C5 (1)
2.7 pF Chip Capacitor
12105J2R7BS
AVX
L1
470 nH Chip Inductor
BK2125HM471--T
Taiyo Yuden
R1
7.5 Ω Chip Resistor
RK73B2ATTE7R5J
KOA Speer
1. Tuning capacitor: Capacitor value and location on the transmission line are varied for different frequencies.
Table 9. Supply Voltage versus R1 Values
Supply Voltage
7
8
9
10
11
12
V
R1 Value
4.4
10
15.6
21
27
32
Ω
Note: To provide VCC = 6.2 Vdc and ICC = 180 mA at the device.
MMG3003NT1
6
RF Device Data
Freescale Semiconductor, Inc.
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