參數(shù)資料
型號(hào)： VEM38S3-19.68-2.5/-30+75
廠商： EUROQUARTZ LTD
元件分類： TCVCXO, sine
英文描述： TCVCXO, CLIPPED SINE OUTPUT, 19.68 MHz
封裝： DIP-14/4
文件頁(yè)數(shù)： 1/1頁(yè)
文件大小： 149K
代理商： VEM38S3-19.68-2.5/-30+75
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
Voltage-controlled Clipped Sinewave 14 pin DIL compatible
VEM38S Series
Frequency Stability (ppm)
±1.0
±1.5
±2.0
±2.5
Operating
Temperature
Range (°C)
0 ~ +50
-10 ~ +60
-20 ~ +70
-30 ~ +75
FREQUENCY STABILITY
SSB Phase Noise
at 25°C
Offset
(Hz)
10
100
1k
10k
100k
VEM38S
10MHz
(dBc/Hz)
-72
-110
-125
-132
-125
= standard specification
PHASE NOISE (Example: VEM38S at 10.0MHz)
VEM38S - OUTLINES AND DIMENSIONS
VEM38S - TEST CIRCUIT
VEM38S - PART NUMBERING PROCEDURE
Example:
VEM38S3-19.44-2.5/-30+75
Series Description
Supply Voltage
3 = 3.0 VDC
5 = 5.0 VDC
Frequency
Stability over OTR (ppm)
Operating Temperature Range (OTR) (°C)
DESCRIPTION
SPECIFICATION
Product Series Code:
VEM38S
Frequency Range:
9.6MHz to 26.0MHz
Output Waveform:
Clipped Sinewave
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:
See table
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:
+3.0 VDC (Code ‘3’)
+5.0 VDC (Code ‘5’)
Output Voltage Levels
3.0 Volt supply:
0.8V peak-peak
5.0 Volt supply:
1.0V peak-peak
Start-up Time:
10ms max.
Current Consumption:
see table
Output Load:
10kOhm//15pF
SSB Phase Noise:
See table
Electrical Frequency Tuning:
3.0 Volt supply:
±5ppm to ±12ppm
for control V. +1.5V ±1.0V
5.0 Volt supply:
±6ppm to ±12ppm
for control V. +2.5V ±2.0V
Linearity:
±10% max.
Harmonic Distortion:
-12dB max., -9dB typ.
Storage Temperature:
-50° to +100°C
14 pin DIL compatible package
Frequency range: 9.6MHz to 26.0MHz
Supply voltage 3.0 or 5.0 Volts
EFC tuning ±5ppm to ±12ppm
Customized specifications available
VEM38S 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 3.0 or 5.0 Volts. The output is controllable by
EFC enabling output variation of ±5ppm to ±12ppm.
相關(guān)PDF資料
PDF描述
VEM38S3-19.68-2.5/0+50 TCVCXO, CLIPPED SINE OUTPUT, 19.68 MHz
VEM38S3-9.6-1.0/0+50 TCVCXO, CLIPPED SINE OUTPUT, 9.6 MHz
VEM38S3-9.6-1.5/-10+60 TCVCXO, CLIPPED SINE OUTPUT, 9.6 MHz
VEM38S3-9.6-1.5/-20+70 TCVCXO, CLIPPED SINE OUTPUT, 9.6 MHz
VEM38S3-9.6-1.5/0+50 TCVCXO, CLIPPED SINE OUTPUT, 9.6 MHz
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