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W2973 데이터시트 PDF




MF Electronics에서 제조한 전자 부품 W2973은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 W2973 기능
기능 (W29xx) Oscillator
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W2973 데이터시트, 핀배열, 회로
www.DataSheet4U.com
VOLTAGE
CONTROLLED
OSCILLATORS
PECL, 0° to 70°C
ECLPS Complementary
Thru-Hole VCXOs, 5V
These ECLPS VCXOs feature super-low jitter of
20 ps peak-to-peak . They are based on
the same logic as our M2900s fixed frequency
oscillators, and therefore exhibit identical wave-
form characteristics. These thru-hole VCXOs
are designed for compatibility with digital and
communications systems based on the ECLPS
family of high speed ECL logic.
Users have a choice of the three most widely
used combinations of pull, control voltage and
center frequency deviation. The oscillators are
available at frequencies from 15 to 175 MHz.
Standard frequency stability is ±20 ppm.
All models have dual complementary outputs.
All feature 250 ps typical rise/fall times and pro-
vide superior jitter. Their low output impedance
and dual complementary outputs preserve
waveform symmetry when sending the timing
waveforms over appreciable distance. Output
symmetry of 45/55 is standard.
Designed originally for advanced SONET
applications, their combination of advanced
characteristics provides special appeal to
designers of highly evolved phase-locked-loop
circuits. They provide tight control of the
voltage-to-frequency (F/V) transfer function
and feature jitter specifications of less than
20 picoseconds peak-to-peak. Typical RMSjitter
is 2.048 ps RMS.
These VCXOs are hermetically sealed in full size
(H) or wide (W) DIL packages. Models W2911
through W2913 accept control voltage input
on pin 1, while Models W2971 through W2973
accept control voltage on pin 6. All models are
tested and guaranteed over full 0°C to 70°C
temperature.
FULL SIZE D.I.L.
M2911 thru M2913
DOUBLE WIDE D.I.L.
W2911 thru W2913
W2971 thru W2973
Thru-Hole, 5V
ECLPS Complementary Output
15 MHz to 175 MHz
SUPER-LOW JITTER
20 ps PEAK-PEAK
These VCXO’s provide complementary ECL outputs
thru 175 MHz with extremely fast rise and fall times.
Each oscillator is computer tuned and computer tested
to guarantee stability and frequency pull at 0, 25 and
70 degrees C. All oscillators will capture the rated pull
at all operating temperatures.
Used in Sonet ST33 interface for generation of the
transmitter data clock.
Will drive standard interface chips in complementary ECL.
Duty Cycle is typically 48/52
Three frequency deviation choices.
Output is ECL with typical rise and fall times of 225 ps.
Exceptional linearity with Deviation Sensitivity Ratio
not exceeding 2.0.
Package is choice of double DIL, standard DIL with 7 pins (M1)
LOAD
All outputs must be loaded with 270 ohms to ground, or 50 ohms to +3V.
COMPATIBILTY
Outputs will drive all ECL families when they are operated in PECL configurations.
0.98 max
(24.89)
DOT
DENOTES
PIN 1
.20 MAX
.20 MIN.
Pin 1
.068/025
100 TYP (NON
ACCUMULATIVE)
2
14
57
98
.300 ± .005
150 .500 ± .005
.300
± .005
44 MAX
.800 ± .005
“M-1” Package
0.80 max
(20.32)
Square corner indicates Pin 1
0.275 max
(6.99)
.100 typ
(.025)
0.700 ±.005
(17.78 ±.13)
Centrally Located
Pin 1
0.20/0.30
(.50/.76)
0.20.24
(0.51/.61
.016/.019 Dia
(.41/.48), 16 pins
8
0.600 ±.005
Centrally Located
16 9
Glass Insulators (3)
“W1” Package
ELECTRONICS
10 Commerce Drive, New Rochelle, NY10801 914-576-6570 Fax: 914-576-6204 http://www.mfelectronics.com email:[email protected]
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