HFA3926 Просмотр технического описания (PDF) - Intersil
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HFA3926 Datasheet PDF : 7 Pages
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HFA3926
Typical Performance Curves (Continued)
60
55
6V
50
5V
45
4V
40
2.45GHz, VDD1 = VDD2 = VDD3
35
15
17
19
21
23
FUNDAMENTAL POUT (dBm)
FIGURE 12. THIRD HARMONIC RATIO
3V
25
Typical Application Example
1
2
3
4
5
6
7
VG2 (-)
R3 R6 C11
N/C 8
9
10
VDD1 (+)
11
C22
C12
C5
12
13
VG1 (-)
14
R2
R5
C13
C8
C21
VDD
28
27
26
25
24
C24
RF OUT
23
VDD3 (+)
22
C4
C16 C19
21
20
VDD2 (+)
19
C3
C15 C18
18
17
VG3 (-)
16
C14
R4
R1
15
RF IN
C23
EXTERNAL CIRCUITRY PARTS LIST
LABEL
VALUE
PURPOSE
C3 - C5, C7, C8
22pF
Bypass (GHz)
C23 - C24
22pF
DC Block
C11 - C16
1000pF
Bypass (MHz)
C18 - C22
0.01µF
Bypass (kHz)
R1, R6
1.5kΩ
FET Gate Divider Network
R3, R5
5kΩ
R2
12kΩ
R4
1kΩ
NOTE: All off-chip components are low cost surface mount components obtainable from multiple
sources. (0.020in x 0.040in or 0.030in x 0.050in.)
2-234
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