參數(shù)資料
型號(hào)： EM44T5-10.0-2.0/-40+85
廠商： EUROQUARTZ LTD
元件分類： XO, clock
英文描述： TCXO, CLOCK, 10 MHz, HCMOS OUTPUT
封裝： SMD, 4 PIN
文件頁數(shù)： 1/1頁
文件大小： 171K
代理商： EM44T5-10.0-2.0/-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
EM44T series TCXOs are packaged in the industry-standard 11.4 x 9.6
x 4.7mm package. Close tolerances are available from ±0.5ppm over
0° to 50°C or ±1ppm over -40° to +85°C. Supply voltage may be
specified over the range 2.8 to 5.0 Volts.
SMD package 11.4 x 9.6 x 4.7mm
Wide frequency range: 1.6MHz to 156MHz
Close tolerance stabilities from ±0.5ppm over 0° to +50°C
±1ppm over -40 to +85°C available
Supply voltage 2.8 Volts to 5.0 Volts
SPECIFICATION
Product Series Code:
EM44T
Frequency Range:
1.6MHz to 156.0MHz
Output Waveform:
Square wave HCMOS
Mechanical Frequency Tuning:
±3ppm (external trimmer)
Standard Frequencies:
9.6, 10.0, 12.80, 13.0, 14.40,
15.36, 16.384, 19.200,
19.44 and 19.68MHz.
(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:
±1ppm max. for one reflow
(Measured after 24 hours)
Supply Voltage:
+2.8 VDC (Code ‘28’)
+3.0 VDC (Code ‘3’)
+3.3 VDC (Code ‘33’)
+5.0 VDC (Code ‘5’)
Output Voltage Levels
Logic ‘1’ HIGH:
80% Vdd min.
Logic ‘0’ LOW:
10% Vdd max.
Rise & Fall Times:
10ns max. (20%~80%)
Duty Cycle (Symmetry):
50%±10% (at 50%Vdd)
Start-up Time:
10ms max.
Current Consumption:
30mA max. (Freq. dependent)
Output Load:
15pF
SSB Phase Noise:
See table
Output Format:
AC block, DC coupled
Storage Temperature:
-50° to +100°C
EM44T - OUTLINES AND DIMENSIONS
Frequency Stability (ppm)
±0.5
±1.0
±1.5
±2.0
±2.5
Temperature
Range (°C)
0 ~ +50
-10 ~ +60
ASK
-20 ~ +70
x
-30 ~ +75
x
-40 ~ +85
x
= available, x = not available, ASK = call Technical Sales
FREQUENCY STABILITY
EM44T - TEST CIRCUIT
EM44T - PART NUMBERING PROCEDURE
Example:
EM44T3-19.44-2.5/-30+75
Series Description
Supply Voltage
28 = 2.8 VDC
3 = 3.0 VDC
33 = 3.3 VDC
5 = 5.0 VDC
Frequency
Stability over OTR (ppm)
Operating Temperature Range (OTR) (°C)
= standard specification
HCMOS 11.4 x 9.6 x 4.7mm SMD
EM44T Series
DESCRIPTION
SSB Phase Noise
at 25°C
Offset
(Hz)
10
100
1k
10k
100k
EM44T
100MHz
(dBc/Hz)
-72
-110
-125
-132
-125
PHASE NOISE (Example: EM44T at 100.0MHz)
相關(guān)PDF資料
PDF描述
EM44T5-19.44-2.0/0+50 TCXO, CLOCK, 19.44 MHz, HCMOS OUTPUT
EM42T5-FREQ-1.5/-20+70 TCXO, CLOCK, 0.02 MHz - 0.05 MHz, HCMOS OUTPUT
EM44T3-9.6-2.0/-40+85 TCXO, CLOCK, 9.6 MHz, HCMOS OUTPUT
EM44T3-FREQ-1.0/-30+75 TCXO, CLOCK, 1.6 MHz - 156 MHz, HCMOS OUTPUT
EM8GT5-12.8-2.5/-40+85 TCXO, CLOCK, 12.8 MHz, HCMOS OUTPUT
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