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參數(shù)資料
| 型號(hào)： | EM42GS28-16.384-2.5/-20+70 |
| 廠商： | EUROQUARTZ LTD |
| 元件分類(lèi)： | XO, clock |
| 英文描述： | TCXO, CLIPPED SINE OUTPUT, 16.384 MHz |
| 封裝： | ROHS COMPLIANT, SMD, 4 PIN |
| 文件頁(yè)數(shù)： | 1/1頁(yè) |
| 文件大小： | 122K |
| 代理商： | EM42GS28-16.384-2.5/-20+70 |
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
EURO QUARTZ
DESCRIPTION
EM42GS series TCXOs are packaged in the industry-standard 11.4 x
9.6 x 2.5mm SMD package. With clipped sinewave output, close
tolerances are available from ±0.5ppm over 0° to 50°C or ±1ppm
over -40° to +85°C. The part has low power consumption.
Industry-standard SMD package 11.4 x 9.6 x 2.5mm
Close tolerance stabilities from ±0.5ppm over 0° to +50°C
±1ppm over -40 to +85°C
Low power consumption
RoHS compliant
EM42GS - OUTLINES AND DIMENSIONS
FREQUENCY STABILITY
Frequency Range
+3.0 V
+5.0 V
10.0MHz to 13MHz
1.3mA
2.0mA
13.1MHz to 20MHz
1.5mA
2.2mA
20.1MHz to 27MHz
2.0mA
2.5mA
CURRENT CONSUMPTION
Clipped Sinewave, 4 Pad FR4 substrate SMD
EM42GS TCXO
SPECIFICATION
Product Series Code
TCXO:
EM42GS
VCTCXO:
VEM42GS
Frequency Range:
10.0MHz to 27.0MHz
Output Waveform:
Clipped Sinewave
Initial Calibration Tolerance**:
<±1ppm at 25°C
Standard Frequencies:
10.0, 12.80, 13.0, 14.40,
15.36, 16.384, 19.2, 19.440,
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, +3.0 or +5.0Volts
(Specify when ordering)
Output Voltage Level:
0.8V p-p minimum
Start-up Time:
2ms typical, 5ms max.
Current Consumption:
See table below
Output Load:
10kOhm//10pF ±10%
Harmonic Distortion:
-10dB typical, -7dB max.
SSB Phase Noise:
See table
Output Format:
DC block, AC coupled
Storage Temperature:
-50° to +100°C
PART NUMBERING PROCEDURE
Example:
EM42GS3-19.44-2.5/-30+75
Supply Voltage
28 = 2.8 VDC
3 = 3.0 VDC
5 = 5.0 VDC
Frequency (MHz)
Stability over OTR (±ppm)
Operating Temperature Range (OTR) (°C)
Lower and upper limits.
Series Description
TCXO = EM42GS
VCTCXO = VEM42GS
VEM42GS VOLTAGE CONTROL SPECIFICATION
SSB Phase Noise
at 25°C
Offset
(Hz)
10
100
1k
10k
100k
EM42GS
13MHz
(dBc/Hz)
-80
-115
-135
-148
-150
PHASE NOISE
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.
Slope Polarity:
Positive (increase of control voltage increases
output frequency.)
Input Impedance:
1.0M
min.
Modulation Bandwidth: 3.0kHz min. measured at -3dB
Linearity:
10% max.
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
10MHz to 27MHz
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