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參數資料
| 型號： | 546SB-12.8 |
| 廠商： | CTS CORP |
| 元件分類： | XO, clock |
| 英文描述： | TCXO, CLOCK, 12.8 MHz, CMOS OUTPUT |
| 文件頁數： | 1/2頁 |
| 文件大小： | 35K |
| 代理商： | 546SB-12.8 |
Rev. X01
Preliminary Specification
Electrical Characteristics
Parameter
Sym
Conditions
Min
Typical
Max
Unit
Power
Requirements
Power Supply
Vcc
± 5%
546L
± 5%
546S
3.135
4.75
3.30
5.0
3.465
5.25
Vdc
Supply Current
Icc
Vcc=Max. (3.3Vdc)
Std. Load (5.0Vdc)
12
15
Note 1
mA
Frequency
Stabilities
Center Frequency
fnom
1.25
38.88
20
19.44
12.8
10
38.88
MHz
Initial Tolerance
fcal
Ta=+25
°C
± 0.75
ppm
Freq. vs. Temp.
f/Temp
± 0.25
ppm
Freq. vs. Voltage
f/Vcc
Vcc
± 5%
± 0.1
ppm
Freq. vs Time
(Aging)
f/Time
20 years
± 2.5
ppm
24 Hour Holdover
Stability
f/24Hr
Inclusive of Temp.,
Supply Variation
and 24Hrs. Aging
± 0.30
± 0.37
ppm
Total Free-
Running Accuracy
f/Life
All Cond. for 20
Yrs. (Ref. to fnom)
± 4.6
ppm
Waveform:
CMOS Output
Symmetry
Sym
@ 50% Level
40
50
60
%
Amplitude
Vo
Logic “1”
Logic “0”
0.8Vcc
0.3
V
Rise/Fall Times
tr, tf
20% to 80%
6
nSec
Load
RL
Output to Ground
10K
15pF
Phase Noise
Pn
Offset = 100HZ
-115
dBc/Hz
1KHz
-130
dBc/Hz
10KHz
-140
dBc/Hz
100KHz
-150
dBc/Hz
Phase Jitter
12KHz to 20MHz
Bandwidth
1.0
pSec RMS
Note 1: Maximum Current will vary with Frequency
Model 546
“VTTN
” Series
Stratum 3 TCXO
Frequency Stability to Stratum 3 of GR-1244
Patented Voltage Tuned Thermistor Network
Very Low Phase Jitter: < 1 pSec
+3.3Vdc or +5.0Vdc Operation
Precision Low Aging “AT”Cut Crystal
Compatible with Semtech SETS Chipsets
Surface Mount Pkg. – Matches Vectron Z5
CTS
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