參數(shù)資料
型號(hào)： UPC1862
廠(chǎng)商： NEC Corp.
英文描述： BURST LOCK CLOCK GENERATOR
中文描述： 爆破鎖時(shí)鐘發(fā)生器
文件頁(yè)數(shù)： 25/32頁(yè)
文件大?。?/td> 252K
代理商： UPC1862
25
μ
PC1862
CAUTION AT DESIGNING
Resonators
NEC evaluates
μ
PC1862 using resonators which are shown below in design and development process.
If the different product is used as a resonator, electrical specification value described in this document is not assured.
And when connecting resonator to external circuit, there is need to consider temperature specification, voltage
fluctuation and product variation. In this case, normal operation is not assured in the application circuit including the
different product.
Use the resonators which are shown below when you design circuit.
32 f
H
VCO resonator X
1
X
1
: in application example circuit
: CSB500F2 (MURATA)
(NTSC) : CSB503F2 (MURATA)
nf
SC
VCO resonator X
2
X
2
: HC-49/U (KINSEKI,
μ
PC1860 adoption)
(PAL)
Reference data of 4f
SC
, 8f
SC
VCO resonator (KINSEKI)
Item
NTSC for 4f
SC
NTSC for 8f
SC
PAL for 4f
SC
Name
HC-49/U
Frequency
14.31818 MHz
28.63636 MHz
17.34475 MHz
Overtone Order
Fundamental (AT cut)
Fundamental (BT cut)
Fundamental (AT cut)
Operating Temperature
–10 to +70
°
C
Frequency Permitted
Tolerance (25
±
5
°
C)
±
30
×
10
–6
±
50
×
10
–6
±
30
×
10
–6
Frequency Temperature
Specification (to 25
°
C)
±
30
×
10
–6
±
100
×
10
–6
±
30
×
10
–6
Equivalent Serial Resistance
50
or less
Parallel Capacitance
7.0 pF or less
3rd harmonic standard
3rd harmonic frequency is over
3f
O
(42.95454 MHz) + 7.5 kHz
–
3rd harmonic frequency is over
3f
O
(53.203425 MHz) + 7.5 kHz
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UPC1872GH 制造商:Panasonic Industrial Company 功能描述:IC
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