NE568AD Ver la hoja de datos (PDF) - Philips Electronics
Número de pieza
componentes Descripción
Fabricante
NE568AD Datasheet PDF : 9 Pages
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Philips Semiconductors
150MHz phase-locked loop
Product specification
NE/SA568A
12.0
11.5
11.0
10.5
10.0
9.5
9.0
8.5
8.0
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
0
C = 6.8pF
C = 150pF
C = 16pF
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
FO MHz
Figure 10. NE568A: Rtc (Pin 13) vs FO; Choosing the Optimum Temperature Compensation Resistor
160
SR01046
+5V
VCC
+
C6
10µF
C5
0.1µF
GND
J1
RFC1
10µH
RFC2
10µH
1 VCC2
LF1 20
C1
0.1µF
C4
0.1µF
2 GND2
3 GND1
4
C2
18pF
5
TCAP1
TCAP2
6
C8
0.1µF 7
C3
0.1µF 8
GND1
VCC1
REFBYP
9 PNPBYP
10
C7
0.1µF
INPBYP
NE/SA568A
LF2 19
LF3 18
LF4 17
FREQADJ 16
OUTFILT 15
14
VOUT
TCADJ2 13
TCADJ1 12
11
VIN
R1
27Ω
C10
560pF
C9
47pF
R6
1.5kΩ
(Optional. Leave it
open if not used)
R2
2kΩ
C11
47pF
(Output Amp Gain
Adj -2dB)
C12
R3
0.1µF 43Ω
R4
3.9kΩ
J3
VOUT
(ZO = 50Ω)*
J2
VIN
C13
0.1µF
R5
51Ω
*NOTE: For 75Ω output impedance, use R3 = 68Ω.
Figure 11. Phase Locked Loop NE/SA568A
SR01113
1996 Feb 1
7
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