參數(shù)資料
型號(hào)： 935263011118
廠商： NXP SEMICONDUCTORS
元件分類： 通信及網(wǎng)絡(luò)
英文描述： SPECIALTY TELECOM CIRCUIT, PDSO16
封裝： PLASTIC, SOT-162, SO-16
文件頁(yè)數(shù)： 33/33頁(yè)
文件大小： 574K
代理商： 935263011118
Philips Semiconductors
PCD3316
CIDCW receiver
Product specication
11 March 1999
9 of 30
9397 750 04824
Philips Electronics N.V. 1999. All rights reserved.
Unrestr
icted
a.
Standard oscillator: quartz or PXE.
b.
Oscillator: quartz or PXE with external capacitors.
c.
External clock: square wave.
d.
External clock: sine wave.
Fig 6.
3.58 MHz oscillator congurations.
handbook, halfpage
MGK725
HXIN
1
HXOUT
2
PCD3316
handbook, halfpage
MGK726
HXIN
1
C1e
C2e
HXOUT
2
PCD3316
handbook, halfpage
MGK727
HXIN
3.58 MHz
square wave
1
HXOUT
2
PCD3316
handbook, halfpage
MGK728
HXIN
3.58 MHz
sine wave
1
HXOUT
2
PCD3316
C1e and C2e are the external load capacitances
(see Figure 6b). Normally, they are not needed
due to integrated load capacitances of 10 pF;
see curve (2).
(1)
C1e =C2e =22pF.
(2)
C1e =C2e = 0 pF.
(3)
C1e =C2e =12pF.
For correct function of the oscillator, the values
of R1 and C0 of the chosen resonator (quartz or
PXE) must be below the related curve lines
shown in Figure 7a. The value of the parallel
resistor R0 must be less than 47 k
.
The wiring between chip and resonator should
be kept as short as possible.
a.
Resonator requirements for the ACO.
b.
Resonator equivalent circuit.
Fig 7.
Resonator requirements and equivalent circuit.
handbook, halfpage
0
(1)
(2)
C0 (pF)
20
40
80
500
0
R1
(
)
400
60
300
200
100
MBK948
(3)
handbook, halfpage
C1
C0
L1
R1
R0
MBK947
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