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ADL8103ACPZN-R7 bảng dữ liệu(PDF) 22 Page - Analog Devices

tên linh kiện ADL8103ACPZN-R7
Giải thích chi tiết về linh kiện  High Input Survivability, Low Noise Amplifier, 6 GHz to 12 GHz
PDF  25 Pages
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nhà sản xuất  AD [Analog Devices]
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ADL8103ACPZN-R7 bảng dữ liệu(HTML) 22 Page - Analog Devices

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Data Sheet
ADL8103
APPLICATIONS INFORMATION
analog.com
Rev. 0 | 22 of 25
The basic connections for operating the ADL8103 over the speci-
fied frequency range are shown in Figure 91. No external biasing
inductor is required, allowing the 5 V supply to be connected
to the VDD pin. It is recommended to use 0.1 µF and 100 pF
power supply decoupling capacitors. The power supply decoupling
capacitors shown in Figure 91 represent the configuration used to
characterize and qualify the ADL8103.
To set IDQ, connect a resistor (R2) between the RBIAS and VDD
pins as shown in Figure 91. A default value of 698 Ω is recommend-
ed, which results in a nominal IDQ of 100 mA. Table 9 shows how
the IDQ and IDQ_AMP varies vs. the RBIAS. The RBIAS pin also draws
a current that varies with the value of RBIAS (see Table 9). Do not
leave the RBIAS pin open.
Figure 91. Typical Application Circuit
RECOMMENDED BIAS SEQUENCING
Correct sequencing of the DC and RF power is required to safely
operate the ADL8103. During power up, apply VDD before the RF
power is applied to RFIN, and during power off, remove the RF
power from RFIN before VDD is powered off.
Table 9. Recommended Bias Resistor Values for VDD = 5 V
RBIAS (Ω)
Total Current,
IDQ (mA)
Amplifier
Current, IDQ_AMP
(mA)
RBIAS Current, IRBIAS
(mA)
1690
60
57.80
2.20
1300
70
67.24
2.76
1020
80
76.65
3.35
845
90
86.09
3.91
698
100
95.46
4.54
576
110
104.8
5.20
487
120
114.15
5.85
Table 10. Recommended Bias Resistor Values for VDD = 3 V
RBIAS (Ω)
Total Current, IDQ
(mA)
Amplifier
Current, IDQ_AMP
(mA)
RBIAS Current,
IRBIAS (mA)
649
50
47.52
2.48
470
60
56.87
3.13
348
70
66.22
3.72
255
80
75.54
4.46
191
90
84.83
5.17
140
100
94.18
5.82
Table 11. Recommended Bias Resistor Values for Various Supply Voltages,
IDQ = 100 mA
RBIAS (Ω)
VDD (V)
Amplifier
Current, IDQ_AMP
(mA)
RBIAS Current,
IRBIAS (mA)
140
3
94.10
5.90
470
4
94.80
5.20
698
5
95.46
4.54
1100
6
96.6
3.90



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