THD4 Series
PLETRONICS THD4 Series
TCXO / TCVCXO
TCXO / TCVCXO
Applications
Features
SONET / SDH / DWDM
• Pletronics’ THD4 Series Temperature Compensated
Test & Measurement
Crystal Oscillator
Telecom Transmission & Switching Equipment
Base Stations / Picocell
Wireless Communication Equipment
• Optional Voltage Control Function
• Low Power / Fast Warm Up
• CMOS Output
THD4
3.2 x 5.0 x 1.50 mm
LCC Ceramic Package
• 2.8V to 3.3V nominal Supply Voltage
• See table for developed Frequencies
Electrical Characteristics
Condition (Consult factory for other options)
Parameter
Frequency Range 2
Min
Typ
-
Max
Unit
8.192
40.0
MHz
See table below for developed frequencies
Frequency Stability vs. Temperature 2
-
-
±0.5
-
ppm
ppm
(fmax - fmin) / 2
Vcontrol 1.50 volts nominal if used when VCC > 3.0 volts
Referenced to the value 25°C ± 2°C
Frequency Initial Calibration
-
± 2.0
Operating Temperature Range 2
Supply Voltage 1, 2 VCC
-40
-
-
+85
3.3
°C
Widest range available
2.8
Volts
± 5%
4.0
5.0
7.0
13 MHz
26 MHz
40 MHz
Supply Current ICC
-
-
mA
Load: 15 pF, VCC ± 5%
Frequency Stability vs. Supply
Frequency Stability vs. Load
Vcontrol Range
-
-
-
± 0.2
± 0.2
2.5
ppm
ppm
Volts
ppm
Load: 15 pF, VCC ± 5%
Load: 15 pF, VCC ± 5%
1.50 volts nominal for VCC
Positive Slope
-
-
0.5
0
Frequency Pullability 2
Output Waveform
Duty Cycle
±8.0
±12.0
CMOS
40
90
50
60
%
Load: 15 pF
Output VHIGH
-
-
%Vdd
Vth: TR and TF 10% and 90% of amplitude
Vth: D.C. 50% of amplitude
Output VLOW
-
-
-
-
-
-
-
-
10
%Vdd
nS
Output TRISE and TFALL
Startup Time
6.5
10.0
±1.0
mS
Within ± 2.0 ppm of final frequency
Per year at 25°C ± 2°C
Long Term Stability (Aging)
ppm
Phase Noise
100 Hz
1 kHz
10 kHz
100 kHz
-120
-134
-144
-145
-
-
dBc/Hz
°C
25°C ± 2°C at 26.0 MHz
Storage Temperature Range
-55
-
+95
Note:
1 Place a 10nF power supply bypass capacitor next to device for correct operation
2 Specified by part number.
The following is a list of developed frequencies. Consult factory for other options.
8.192M, 9.60M, 9.72M, 10.00M, 12.80M, 13.00M, 16.384M,
19.20M, 19.44M, 20.00M, 25.60M, 26.00M, 40.00M only
Product information is current as of publication date. The product conforms to specifications per the terms of the Pletronics standard warranty.
Production processing does not necessarily include testing of all parameters.
June 5, 2015 Rev. B
Pg 1
Copyright © 2015, Pletronics Inc. C19013 36th Ave. W, Lynnwood, WA 98036 USA C www.pletronics.com C 425-776-1880