參數(shù)資料
型號: PBRC-4.00BR
英文描述: RESONATOR SMD 4.00MHZ
中文描述: 諧振器貼片4.00MHZ
文件頁數(shù): 30/50頁
文件大?。?/td> 1431K
代理商: PBRC-4.00BR
29
AVX/Kyocera Clock Oscillators
CLOCK OSCILLATOR APPLICATIONS
In a typical personal computer system 5 or 6 clock
oscillators may be used in the main processing unit, for all
the add-on boards, video graphics adapters, co-processors,
etc., and all the peripheral devices such as printers,
modems and networking equipment. Many different
companies may be involved in the manufacture of all these
individual parts of the system.
The telecommunications industry uses clock oscillators
in fax machines, cellular phones, pagers, and radio systems.
These oscillators are typically very high precision,
temperature compensated and voltage controlled devices.
Clock oscillators are manufactured by combining a
quartz crystal into a hybrid module containing passive
components and active digital devices.
AVX/Kyocera builds its high quality clock oscillators
from the substrate up. The whole module is hermetically
sealed into an all-metal welded package to protect it from
humidity. The case is directly grounded to a pin to help
minimize RF radiation and meet FCC’s EMI specifications.
PACKAGING
The diagrams below show the basic design of the 14
pin and 8 pin DIP (dual inline packages) and ceramic SMT
packages in which most of the clock oscillators are available.
Leaded oscillators are tube packaged. SMT K50 units are
tape and reel packaged 1000 units per reel. Tube packages
hold 25 units each for the KXO-01 and KXO-HC series,
and 40 units each for the KHO-HC series products.
GENERAL DESCRIPTION continued
FREQUENCY vs. POWER SUPPLY CURRENT
OUTPUT WAVEFORM
CLOCK OSCILLATOR GENERAL CONSTRUCTION
1
2
3
4
5
6
7
8
9
Chip components
Crystal
IC
Cap
Crystal supporter
Thick film substrate
Stem
Stand-off
Lead pin
1. KXO-01
2. KXO-HC-C/KHO-HC-C
3. KXO-HC-T/KHO-HC-T
1. K50-CS
2. K50-HC-C (CMOS Compatible)
3. K50-HC-C (TTL Compatible)
4. K50-3C
TR
0.9VDD
A
B
L
H
TF
0.5VDD
0.1VDD
2.4V
1.4V
0.4V
PACKAGES
1
4
3
9
2
5
6
7
8
#8
#14
#1
#7
#8
#1
#5
#4
14 Pin DIP
8 Pin DIP
4 Pad SMD
0
0
10
10
20
30
40
50
60
20
30
40
50
60
70
80
K50-CS
50pF
(CMOS Load)
15pF
(TTL Load)
I
DD
(mA)
K50-3C
4
1
3
2
FREQUENCY (MHz)
V
DD
5.0V
60
50
40
30
20
10
0
2
3
1
I
(mA)
0
10
20
30
40
50
60
70
80
FREQUENCY RANGE (MHz)
#4
#3
#1
#2
Duty
A
A+B
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