EURO
QUARTZ
14 pin DIL package, with trimmer
Frequency range: 9.6MHz to 27.0MHz
Supply voltage 2.8 to 5.0 Volts
Customized specifications available
EM15S Series TCXO
Clipped Sinewave 14 pin DIL
EM15S - OUTLINES AND DIMENSIONS
DESCRIPTION
EM15S series TCXOs are packaged in the industry-standard 14 pin
Dual-in-Line package. With Clipped Sinewave output, tolerances are
available from ±1.0ppm over 0° to 50°C to ±1ppm over -30° to
+70°C. Supply voltage 2.8 to 5.0 Volts.
SPECIFICATION
Product Series Code
TCXO:
VCTCXO:
Frequency Range:
Output Waveform:
Initial Calibration Tolerance**:
Standard Frequencies:
EM15S
VEM15S
9.6MHz to 27.0MHz
Clipped Sinewave
<±1ppm at 25°C
10.0, 12.80, 13.0, 14.40,
15.36, 16.384, 19.2, 19.440,
and 19.68MHz (Partial list)
See table
±1.0 ppm max. first year
±0.3 ppm max. ±5% change
±0.3 ppm max. ±10% change
±1ppm max. for one reflow
(Measured after 24 hours)
+2.8, +3.0 or +5.0Volts
(Specify
when ordering)
0.8V p-p minimum
2ms typical, 5ms max.
See table below
10kOhm//10pF ±10%
-10dB typical, -7dB max.
See table
DC block, AC coupled
-50° to +100°C
Operating Temperature Range:
Frequency Stability
vs. Ageing:
vs. Voltage Change:
vs. Load Change:
vs. Reflow:
Supply Voltage:
Output Voltage Level:
Start-up Time:
Current Consumption:
Output Load:
Harmonic Distortion:
SSB Phase Noise:
FREQUENCY STABILITY
Output Format:
Storage Temperature:
FREQUENCY STABILITY
Frequency Stability (ppm)
0 ~ +50
-10 ~ +60
Temperature
Range (°C)
-20 ~ +70
-30 ~ +75
-40 ~ +85
P
±0.5
ASK
x
x
x
x
VEM15S VOLTAGE CONTROL SPECIFICATION
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.
Control Voltage:
±1.0
P
P
x
x
x
±1.5
P
P
P
x
x
±2.0
P
P
P
P
x
±2.5
P
P
P
PP
P
PHASE NOISE
Offset
(Hz)
SSB Phase Noise
at 25°C
EM15S
13MHz
(dBc/Hz)
10
-80
100
-115
1k
-135
10k
-148
100k
-150
= available, x = not available, ASK = call Technical Sales
PART NUMBERING PROCEDURE
+5.0 V
2.0mA
2.2mA
2.5mA
CURRENT CONSUMPTION
Frequency Range
10.0MHz to 13MHz
13.1MHz to 20MHz
20.1MHz to 27MHz
+3.0 V
1.3mA
1.5mA
2.0mA
Example:
EM15S3-19.44-2.5/-30+75
Series Description
TCXO = EM15S
VCTCXO = VEM15S
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.
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
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