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參數資料
| 型號： | EM15T5-FREQ-2.5/-40+85 |
| 廠商： | EUROQUARTZ LTD |
| 元件分類： | XO, clock |
| 英文描述： | TCXO, CLOCK, 1.25 MHz - 156 MHz, HCMOS OUTPUT |
| 封裝： | DIL-14/4 |
| 文件頁數： | 1/1頁 |
| 文件大小： | 132K |
| 代理商： | EM15T5-FREQ-2.5/-40+85 |
EURO QUARTZ
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001
info@euroquartz.co.uk
www.euroquartz.co.uk
TCXO
HCMOS, 14 pin DIL, MHz Range
EM15T Series
DESCRIPTION
14 pin DIL industry-standard package with trimmer
Wide frequency range: 1.25MHz to 156.0MHz
Supply voltage 2.8, 3.0, 3.3 or 5.0 Volts
Frequency stability from ±1ppm over -30 to +75°C
EM15T series TCXOs are packaged in the industry-standard 14 pin
DIL package. With squarewave (CMOS) output, tolerances are
available from ±1.0ppm over -30° to +75°C. The part has a 0.01mF
decoupling capacitor built in.
EM15T - OUTLINES AND DIMENSIONS
SPECIFICATION
Product Series Code
TCXO:
EM15T
VCTCXO:
VEM15T
Frequency Range:
1.25MHz to 156.0MHz
Output Waveform:
Squarewave, HCMOS
Initial Calibration Tolerance:
<±1.0ppm at +25°±2°C
Standard Frequencies:
10.0, 12.8, 13.0, 14.4, 15.36,
16.384, 19.2, 19.440, 19.68,
25.0, 20.0, 27.0, 38.880,
40.0, 77.760, 125.0, 155.520
(Partial list)
Operating Temperature Range:
See table
Frequency Stability
vs. Ageing:
±1.0 ppm max. first year
vs. Voltage Change:
±0.3 ppm max. ±5% change
vs. Load Change:
±0.3 ppm max. ±10% change
vs. Reflow (SMD type):
±1.0ppm max. for one reflow
(Measured after 24 hours)
Mechanical Frequency Tuning:
±3ppm minimum
Supply Voltage:
+2.8, +3.0, +3.3 or +5.0V
(See table)
Output Logic Levels:
Logic High: 90% Vdd min.
Logic Low: 10% Vdd max.
Rise and Fall Times:
10ns max.
Duty Cycle:
50%±10% standard,
50%±5% option
Start-up Time:
5ms typical, 10ms max.
Current Consumption:
See table below
Output Load:
15pF
Storage Temperature:
-55~+125°C
PART NUMBERING SCHEDULE
Example:
EM15T33-38.880-2.5/-30+75
Supply Voltage
28 = 2.8VDC
3 = 3.0VDC
33 = 3.3 VDC
5 = 5.0 VDC
Frequency (MHz)
Stability over OTR (±ppm)
Operating Temperature Range (OTR) (°C)
Lower and upper limits.
Series Description
TCXO = EM15T
VCTCXO = VEM15T
Control Voltage:
Standard = +1.5±1.0Volts for all input
voltages. (Contact technical sales if
+2.5±2.0 Volts is required.)
Frequency Deviation:
±6.0 ppm min. (Vcon = +4.5V±1.0V)
Slope Polarity:
Positive (increase of control voltage increases
output frequency.)
Input Impedance:
50k
minimum
Modulation Bandwidth: 20kHz minimum
Linearity:
±10% maximum
VEM15T VOLTAGE CONTROL SPECIFICATION
Offset
10Hz
100Hz
1kHz
10kHz
100kHz
Part =
EM15T33
at 10.0Mhz
(dBc/Hz)
-115
-135
-148
-152
-155
at 155.250Mhz
(dBc/Hz)
-72
-110
-125
-132
-125
SSB PHASE NOISE at 25°C
Input Voltage/
Frequency
+2.8V
+3.0
+3.3V
+5.0 V
8.192MHz
2mA
5mA
10.0MHz
3mA
4mA
7mA
77.760MHz
14mA
17mA
32mA
155.520MHz
26mA
35mA
50mA
INPUT VOLTAGE & CURRENT CONSUMPTION
Frequency Stability (ppm)
±0.5
±1.0
±1.5
±2.0
±2.5
Temperature
Range (°C)
0 ~ +50
ASK
P
-10 ~ +60
x
P
-20 ~ +70
x
P
-30 ~ +75
x
P
PP
-40 ~ +85
x
P
= available, x = not available, ASK = call Technical Sales
FREQUENCY STABILITY
相關PDF資料 |
PDF描述 |
|---|---|
| EM38T33-FREQ-1.0/-10+60 | TCXO, CLOCK, 0.02 MHz - 0.05 MHz, HCMOS OUTPUT |
| EM38T33-FREQ-2.0/0+50 | TCXO, CLOCK, 0.02 MHz - 0.05 MHz, HCMOS OUTPUT |
| EM38T28-1.25-1.0/-10+60 | TCXO, CLOCK, 1.25 MHz, HCMOS OUTPUT |
| EM38T28-1.25-1.5/-10+60 | TCXO, CLOCK, 1.25 MHz, HCMOS OUTPUT |
| EM38T28-10.0-1.5/0+50 | TCXO, CLOCK, 10 MHz, HCMOS OUTPUT |
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