MMG3001NT1_12 Datasheet, PDF (6/15 Pages) Freescale Semiconductor, Inc – Heterojunction Bipolar Transistor

50 OHM APPLICATION CIRCUIT: 40--800 MHz
V_SUPPLY
R1
C3
C4
C5
RF
INPUT
Z1
Z2
C1
L1
DUT
Z3
V_CC
RF
OUTPUT
Z4
Z5
C2
Z1, Z5
Z2
Z3
0.347″ x 0.058″ Microstrip
0.575″ x 0.058″ Microstrip
0.172″ x 0.058″ Microstrip
Z4
0.403″ x 0.058″ Microstrip
PCB Getek Grade ML200C, 0.031″, ε_r = 4.1
Figure 14. 50 Ohm Test Circuit Schematic
30
S21
20
10
0
--10
S22
--20
R1
C5
C4
C3
L1
C1
C2
--30
--40
0
S11
200
400
V_CC = 5.6 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
C1, C2, C3
0.01 μF Chip Capacitors
C4
1000 pF Chip Capacitor
C5
47 pF Chip Capacitor
L1
470 nH Chip Inductor
R1
8.2 Ω Chip Resistor
Part Number
C0603C103J5RAC
C0603C102J5RAC
C0805C470J5RAC
BK2125HM471--T
RK73B2ATTE8R2J
Manufacturer
Kemet
Kemet
Kemet
Taiyo Yuden
KOA Speer
Table 9. Supply Voltage versus R1 Values
Supply Voltage
6
7
8
9
10
11
12
V
R1 Value
6.9
24
41
59
76
93
110
Ω
Note: To provide V_CC = 5.6 Vdc and I_CC = 58 mA at the device.
MMG3001NT1
6
RF Device Data
Freescale Semiconductor, Inc.