Available Frequencies:
Frequency Stability:
Temperature Range:
Storage:
Input Voltage:
Input Current:
Output:
Waveform:
Load:
Voltage Control:
Vcont Trim:
Harmonics:
Phase Noise: 100Hz Offset
1kHz Offset
Aging:
Ordering Information:
Example:
Packaging:
RECOMMENDED REFLOW SOLDERING PROFILE
217°C
200°C
260°C
150°C
90 Secs. Max.
TEMPERATURE
Ramp-Up
3°C/Sec Max.
Preheat
180 Secs. Max.
8 Minutes Max.
260°C for
10 Secs. Max.
Critical
Temperature Zone
Ramp-Down
6°C/Sec.
NOTE: Reflow Profile with 240°C peak also acceptable.
TD-061001 Rev. J
12730 Commonwealth Drive • Fort Myers, Florida 33913
Phone: 239-561-3311 • 800-237-3061
Fax: 239-561-1025 • www.crystek.com
CRYSTEK
CORPORATION
2.5×3.2 mm SMD, 3V, TCXO
CVT25 Model
Model CVT25 is a Clipped
Sinewave TCXO operating at 3.0
Volts. The oscillator utilizes digital
temperature compensation to provide
stable frequency output over
temperature. No Sub-Harmonics are
present in the Output Signal.
Specifications subject to change without notice.
PIN Function
1
2
3
4
Volt Cont.
GND
OUT
Vcc
Applications:
GSM
GPRS
3G
CDMA
W-CDMA
13.0, 19.2, 26.0, 38.4, 40.0 (MHz)
±2.5ppm Max
-30°C to 75°C
-40°C to 90°C
3.0V ±5%
1.2mA Typ., 2mA Max
0.8Vp-p Min
Clipped Sinewave
10kΩ // 10pF Typ.
1.5V ±1.0V
±8ppm Min
-5dBc Max
-110 dBc/Hz Max
-130 dBc/Hz Max
<1ppm per year
CVT25-Frequency
CVT25-19.200
2,000pcs Tape/Reel
All dimensions are Max unless otherwise specified.
Dimensions inches (mm)
SUGGESTED PAD LAYOUT
0.020
(0.5)
0.043
(1.1)
0.01µF
via to
ground
0.077
(1.95)
12
34
0.035
(0.9)
Max
0.039
(1.00)
Mechanical:
Shock: MIL-STD-883, Method 2002, Condition B
Solderability: MIL-STD-883, Method 2003
Vibration: MIL-STD-883, Method 2007, Condition A
Solvent Resistance: MIL-STD-202, Method 215
Resistance to Soldering Heat: MIL-STD-202, Method 210, Condition I or J
Environmental:
Thermal Shock: MIL-STD-883, Method 1011, Condition A
Moisture Resistance: MIL-STD-883, Method 1004
0.126 ±0.004
(3.2 ±0.1)
0.098 ±0.004
(2.5 ±0.1)
C freq
Lot Code
Denotes pad 1
0.020
(0.5)
0.077
(1.95)
#3#4
#2#1
0.020
(0.5)
0.021
(0.53)
PWR
Supply
mA
M
VM OSC.
pin 1
pin 4
pin 2
pin 3
Bypass
Cap.
FET PROBE
GND
OUTVdd
Vcont
TEST CIRCUIT
RLCL
Co
