Frequency range:1kHz to 800MHz
Temp ranges:-40o to +85oC.


Bomar Crystal produces TCXOs and VCTCXOs with a wide range of options. They are available in LVDS, LVPECL, HCMOS, TTL/CMOS square wave, or clipped sinewave outputs. TCXO and VCTCXO frequency stability is available to 0.5 ppm within an operating temperature range of -40° to +85° C. Extremely low jitter is standard. Packages include Thru-hole (full and half size) or ceramic SMD packages.

All TCXOs are RoHS compliant and excellent for all tight tolerance applications.


Frequency Range 1.000 kHz - 800.000 MHz  LVDS/LVPECL
    1.000 kHz - 800.000 MHz  CMOS/TTL
    6.000 MHz - 190.000 MHz  CSW/SW
Frequency Stability 0.5ppm to 10ppm over the specified operating temperature range
Temperature Range
-40° to +85ºC.
Temperature Range
-55ºC. to +125ºC.
Supply Voltage +1.8Vdc
Initial Calibration Tolerance With trimmer: Adjustable to the nominal frequency
Without trimmer: 3ppm at 25ºC.
Elec. Freq. Tuning
(VCTCXO only)
+3.3Vdc:5ppm min. for +1.5V 1.0V
(max. of 20ppm available)
+5.0Vdc: 6ppm min. for +2.5V 2.0V

TTL/CMOS Square Wave

Output Voltage TTL Logic High: 2.4V min. / Logic Low: 0.4V max.
CMOS Logic High: 90% Vdd min. / Logic Low: 10% Vdd max.
Rise and Fall Time TTL 5nS from 1.5V to 2.4V
CMOS 5nS from 10% to 90% Vdd
Duty Cycle TTL 40% to 60% measured at 1.4V
CMOS 40% to 60% measured at 50% Vdd
Current 5 - 25mA max. depending on the frequency and input voltage
Start Time 10mS max.

Clipped Sine Wave

Output Voltage +3.3V : 0.8V p-p min.
+5.0V : 1.0V p-p min.
Current Consumption +3.3V : 1.0mA max.
+5.0V : 2.0mA max.
Load 10K ohms/15pF

Note: Parameters shown above for TCXO and VCTCXO are general specifications. Detailed specification sheets for TCXO and VCTCXO are available upon request.  Call for details.

Contact Us

Bomar Crystal Company
117 William Street
PO Box 10
Middlesex, NJ 08846
+ 1 (732) 356-7787
+ 1 (800) 526-3935
FAX: + 1 (732) 356-7362
FAX: + 1 (800) 777-2197

Package Style A Package Style B Package Style C
oscillator style a oscillator style b oscillator style c


Package Style D Package Style E Package Style F
oscillator style d oscillator style e oscillator style f

Above are the most common packages but there are many other packages available. Please contact Sales with your specific requirements.