VEM14GT28-38.880-2.5-30 EUROQUARTZ [EUROQUARTZ limited], VEM14GT28-38.880-2.5-30 Datasheet
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VEM14GT28-38.880-2.5-30
Manufacturer Part Number
VEM14GT28-38.880-2.5-30
Description
HCMOS, 14 pin DIL, MHz Range
Manufacturer
EUROQUARTZ [EUROQUARTZ limited]
Datasheet
1.VEM14GT28-38.880-2.5-30.pdf
(1 pages)
DESCRIPTION
SPECIFICATION
FREQUENCY STABILITY
VEM14GT VOLTAGE CONTROL SPECIFICATION
Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001
EURO
EM14GT 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.
Control Voltage:
Frequency Deviation:
Slope Polarity:
Input Impedance:
Modulation Bandwidth: 20kHz minimum
Linearity:
Product Series Code
Frequency Range:
Output Waveform:
Initial Calibration Tolerance:
Standard Frequencies:
Operating Temperature Range:
Frequency Stability
Mechanical Frequency Tuning:
Supply Voltage:
Output Logic Levels:
Rise and Fall Times:
Duty Cycle:
Start-up Time:
Current Consumption:
Output Load:
Storage Temperature:
P
Temperature
14 pin DIL industry-standard package
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
RoHS compliant
= available, x = not available, ASK = call Technical Sales
Range (°C)
Frequency Stability (ppm)
vs. Ageing:
vs. Voltage Change:
vs. Load Change:
vs. Reflow (SMD type):
QUARTZ
-10 ~ +60
-20 ~ +70
-30 ~ +75
-40 ~ +85
0 ~ +50
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
TCXO:
VCTCXO:
Standard = +1.5±1.0Volts for all input
voltages. (Contact technical sales if
+2.5±2.0 Volts is required.)
±6.0 ppm min. (Vcon = +4.5V±1.0V)
Positive (increase of control voltage increases
output frequency.)
50k
±10% maximum
minimum
±0.5
ASK
x
x
x
x
±1.0
EM14GT
VEM14GT
1.25MHz to 156.0MHz
Squarewave, HCMOS
<±1.0ppm at +25°±2°C
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)
See table
±1.0 ppm max. first year
±0.3 ppm max. ±5% change
±0.3 ppm max. ±10% change
±1.0ppm max. for one reflow
(Measured after 24 hours)
±3ppm minimum
+2.8, +3.0, +3.3 or +5.0V
(See table)
Logic High: 90% Vdd min.
Logic Low: 10% Vdd max.
10ns max.
50%±10% standard,
50%±5% option
5ms typical, 10ms max.
See table below
15pF
-55~+125°C
P
P
x
x
x
±1.5
P
P
P
x
x
±2.0
P
P
P
P
x
±2.5
P
P
P
P
PP
info@euroquartz.co.uk
PART NUMBERING SCHEDULE
INPUT VOLTAGE & CURRENT CONSUMPTION
EM14GT - OUTLINES AND DIMENSIONS
SSB PHASE NOISE at 25°C
Supply Voltage
Frequency (MHz)
Stability over OTR (±ppm)
Operating Temperature Range (OTR) (°C)
Lower and upper limits.
Example:
Series Description
TCXO = EM14GT
VCTCXO = VEM14GT
HCMOS, 14 pin DIL, MHz Range
Input Voltage/
Frequency
8.192MHz
10.0MHz
77.760MHz
155.520MHz
Part =
EM14GT33
28 = 2.8VDC
3 = 3.0VDC
33 = 3.3 VDC
5 = 5.0 VDC
Offset
at 155.250Mhz
at 10.0Mhz
(dBc/Hz)
(dBc/Hz)
+2.8V
14mA
26mA
2mA
3mA
EM14GT Series
EM14GT33-38.880-2.5/-30+75
+3.0
17mA
35mA
10Hz
2mA
4mA
-115
-72
www.euroquartz.co.uk
+3.3V
100Hz
-135
-110
+5.0 V
32mA
50mA
5mA
7mA
1kHz
-148
-125
10kHz
-152
-132
TCXO
100kHz
-155
-125