UPC1862GS NEC, UPC1862GS Datasheet - Page 25
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UPC1862GS
Manufacturer Part Number
UPC1862GS
Description
BURST LOCK CLOCK GENERATOR
Manufacturer
NEC
Datasheet
1.UPC1862GS.pdf
(32 pages)
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CAUTION AT DESIGNING
Resonators
fluctuation and product variation. In this case, normal operation is not assured in the application circuit including the
different product.
Reference data of 4f
Name
Frequency
Overtone Order
Operating Temperature
Frequency Permitted
Tolerance (25 5 C)
Frequency Temperature
Specification (to 25 C)
Equivalent Serial Resistance
Parallel Capacitance
3rd harmonic standard
NEC evaluates 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
Use the resonators which are shown below when you design circuit.
32 f
nf
SC
H
VCO resonator X
VCO resonator X
X
X
1
2
Item
SC
(PAL)
(NTSC) : CSB503F2 (MURATA)
, 8f
2
1
SC
VCO resonator (KINSEKI)
: in application example circuit
: CSB500F2 (MURATA)
: HC-49/U (KINSEKI, PC1860 adoption)
3rd harmonic frequency is over
3f
O
(42.95454 MHz) + 7.5 kHz
Fundamental (AT cut)
14.31818 MHz
NTSC for 4f
30
30
10
10
–6
–6
SC
Fundamental (BT cut)
28.63636 MHz
NTSC for 8f
7.0 pF or less
–10 to +70 C
50
HC-49/U
100
50
or less
–
10
10
–6
–6
SC
3f
3rd harmonic frequency is over
O
(53.203425 MHz) + 7.5 kHz
Fundamental (AT cut)
17.34475 MHz
PAL for 4f
30
30
10
10
PC1862
–6
–6
SC
25