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EMW9T Datasheet, PDF (1/1 Pages) EUROQUARTZ limited – HCMOS 8 pin DIL, W Group
EURO QUARTZ
EMW9T Series TCXO
HCMOS 8 pin DIL, 'W' Group
8 pin DIL package with trimmer
Frequency range: 200.01MHz to 800.0MHz
Supply voltage 3.3 Volts
Frequency stability from ±1ppm over -30 to +75°C
DESCRIPTION
EMW9T series TCXOs are packaged in a standard 8 pin DIL package
with trimmer. 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.
EMW9T - OUTLINES AND DIMENSIONS
SPECIFICATION
Product Series Code
TCXO:
VCTCXO:
Frequency Range:
Output Waveform:
Initial Calibration Tolerance:
Standard Frequencies:
Mechanical Frequency Tuning:
Operating Temperature Range:
Frequency Stability
vs. Ageing:
vs. Voltage Change:
vs. Load Change:
vs. Reflow (SMD type):
Supply Voltage:
Output Logic Levels:
Current Consumption:
Rise and Fall Times:
Duty Cycle:
Start-up Time:
Current Consumption:
Output Load:
Storage Temperature:
EMW9T
VEMW9T
200.01MHz to 800.0MHz
Squarewave, HCMOS
<±2.0ppm at +25°±2°C
200.0, 204.8, 311.04, 400.0,
409.6 and 622.08MHz
(Partial list)
Not implemented
(see table)
(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)
+3.3 Volts
Logic High: 90% Vdd min.
Logic Low: 10% Vdd max.
65mA max. (Freq. dependant)
1.2ns typical
50%±5%
5ms typical, 10ms max.
See table below
15pF
-55~+125°C
VEMW9T VOLTAGE CONTROL SPECIFICATION
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:
2M minimum
Modulation Bandwidth: 25kHz minimum
Linearity:
±10% maximum
FREQUENCY STABILITY
Stability (ppm)
±0.5
0 ~ +50
P
-10 ~ +60 ASK
Temp.
Range (°C) -20 ~ +70
X
-30 ~ +75
X
-40 ~ +85
X
±1.0
P
P
P
P
X
±1.5
P
P
P
P
X
±2.0
P
P
P
P
ASK
±2.5
P
P
P
P
ASK
±3.0
P
P
P
P
P
P = available, x = not available, ASK = call Technical Sales
SSB PHASE NOISE at 25°C
Part =
EMW9T33
Offset
at 622.080MHz
(dBc/Hz)
10Hz
-50
100Hz
-77
1kHz
-102
10kHz
-115
100kHz
-108
PART NUMBERING SCHEDULE
Example:
EMW9T33-409.60-2.5/-30+75
Series Description
TCXO = EMW9T
VCTCXO = VEMW9T
Supply Voltage
33 = 3.3 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