Transko Electronics frequency control components and timing devices

Quartz crystal resonators, clock oscillators, and surface acoustic wave filters from Transko Electronics deliver dependable timing accuracy across telecom equipment and computing hardware.

Surface mount SMD quartz crystals and precision resonators

Quartz crystal units by Transko Electronics provide frequency stability for industrial computing and timing circuits. Product lines including CS12, CS16, and CS2012 in ceramic packages with seam-sealed metal lids withstand thermal shocks and severe mechanical vibration.

Miniature CS12 ceramic packages sized 1.2x1.0 mm covering frequencies 32–80 MHz
Automotive grade CS16 resonators offering frequency tolerance down to 5 ppm
Tuning fork 32.768 kHz units in CS1210 and CS2012 packages for real-time clocks
Four-pad SMD platforms engineered for high-density surface mount assembly

Clock oscillators SPXO and low EMI spread spectrum modules

Clock oscillators from Transko utilize Spread Spectrum modulation in TCP22 and TCP32 series to suppress electromagnetic emissions. These active timing devices deliver square-wave reference clocks to microprocessors, programmable controllers, and high-speed communication buses.

Spread spectrum modulation technology effectively attenuating radiation EMI peaks
Broad frequency coverage spanning 1.000 MHz to 160.000 MHz under 1.8V to 3.3V power
Differential TDP oscillators featuring LVDS, CML, LVPECL, and HCSL signal formats
Ceramic surface mount packages sized 2.5x2.0 mm and 3.2x2.5 mm with low jitter

Temperature compensated crystal oscillators TCXO and VCTCXO

Temperature compensated oscillators engineered by Transko including TX7M, TX97A, and TXT32 series deliver exceptional frequency stability across extended operating temperature ranges. Units serve wireless infrastructure base stations, timing servers, and radio links.

TX7M models housed in 7.0x5.0 mm packages offering stability down to sub-ppm levels
Low G sensitivity engineering in TXT32 series resisting harsh shock and vibration
Full alignment with Stratum 3 telecommunications master clock timing standards
Clipped sinewave and HCMOS output options supporting 2.5V and 3.3V supply rails

Oven controlled crystal oscillators OCXO high stability modules

Oven controlled oscillators from Transko series OX-P, OX-A1, OX-B, and OX-C maintain internal resonator quartz crystals inside an integrated temperature chamber. This eliminates ambient thermal drift to deliver benchmark frequency precision for synchronization equipment.

Tight frequency stability reaching single-digit ppb levels across industrial spans
Robust OX-C series housed in 38x38 mm packages operating from 12V and 15V rails
Rapid warm-up response time combined with low steady-state heating power consumption
Sinewave and CMOS digital outputs covering fundamental frequencies 1 to 200 MHz

Voltage controlled crystal oscillators VCXO for PLL networks

Voltage controlled crystal oscillators by Transko including TPV, TSMV, TSVD, and TVL5 series serve as tuning elements within phase locked loop circuits. Linear frequency pullability via control voltage enables precise locking to network data streams and frame rates.

Wide frequency pulling range controlled through continuous analog tuning voltage
High linearity across pull curves optimizing phase-locked loop tracking speed
Extremely low close-in phase noise profile preserving signal modulation integrity
Compact SMD footprints allowing tight packing on multiport network interface cards

Surface acoustic wave SAW filters and RF duplexer components

Surface acoustic wave devices from Transko provide frequency selectivity and out-of-band rejection for RF communication transceivers. The product family encompasses RF bandpass SAW filters, intermediate frequency IF filters, and antenna duplexer networks.

RF bandpass SAW filters tailored for high-frequency mobile and wireless channels
Intermediate frequency IF SAW units delivering steep skirts and high stopband depth
Integrated SAW duplexers isolating transmission and reception paths in radios
Low insertion loss figures combined with standard impedance matching networks

Surface mount crystal resonators and spurious mode suppression

Quartz crystal resonators from Transko Electronics series CS12, CS16, and CS2012 are fabricated from synthetic single-crystal quartz with precision AT-cut angular orientation.

The piezoelectric effect induces thickness-shear vibrations across the quartz blank, delivering exceptional quality factor Q and minimal equivalent series resistance.

To suppress anharmonic spurious modes and prevent false oscillator frequency trapping, electrodes are applied via high-vacuum thin-film metallization with optimized mass loading.

Seam-welded metal lids on ceramic bases provide permanent hermetic seals that isolate internal quartz elements from atmospheric humidity during automated reflow soldering.

Spread Spectrum oscillator topologies for electromagnetic compliance

Integrated clock oscillators within Transko TCP22 and TCP32 series resolve stringent electromagnetic compatibility requirements across dense electronic assemblies without requiring metallic shield enclosures.

An onboard frequency synthesizer modulates the master clock frequency by one to three percent using pseudorandom dither around thirty kilohertz.

This modulation profile disperses concentrated spectral energy across a broader bandwidth, lowering fundamental and harmonic radiated peak amplitudes by ten to fifteen decibels. Connected microprocessors, memory controllers, and digital bus transceivers maintain complete operational synchronization.

Temperature compensation mechanisms and phase noise in TCXO units

Temperature compensated oscillators from Transko TX7M, TX97A, and TXT32 series serve radio communication networks and satellite navigation terminals where frequency stability across wide thermal gradients is essential.

An internal compensation network integrating temperature sensors and varactor diodes delivers a correction voltage that cancels natural quartz thermal frequency curvature.

High-reliability TXT32 models engineered to Stratum 3 telecom standards maintain sub-ppm stability while withstanding mechanical vibration. Low-noise circuit topology suppresses semiconductor flicker noise, keeping phase noise density below minus 150 dBc/Hz at ten kilohertz offset.

Oven controlled oscillator architectures and thermal insulation

Oven controlled oscillators in Transko OX-P, OX-A1, OX-B, and OX-C families operate as secondary frequency standards for laboratory test equipment and cellular base stations.

An SC-cut quartz crystal is mounted inside an internal miniature oven assembly with proportional heating transistors and feedback thermistors.

The thermal controller maintains cavity temperature at the zero-temperature-coefficient turnover point around eighty degrees Celsius within thousandths of a degree.

A rugged metal housing enclosing polyurethane thermal barriers limits heat dissipation, securing ultra-low aging and single-digit ppb frequency stability.

Voltage controlled crystal oscillators in phase locked loop architectures

Voltage controlled oscillators from Transko TPV, TSMV, TSVD, and TVL5 lines serve as frequency tuning actuators within phase-locked loop synchronization circuitry.

Integrated hyperabrupt varactor diodes alter resonant tank capacitance in response to analog control voltages, providing pulling ranges from fifty to one hundred fifty ppm.

High pull-curve linearity eliminates phase step discontinuities, maintaining tight tracking loops in optical transport systems and network timing cards. The differential output drivers support LVDS and LVPECL logic levels with sub-nanosecond rise times and low jitter.

Acoustic wave filtering characteristics and impedance matching networks

Surface acoustic wave filters developed by Transko convert input radio signals into Rayleigh waves traveling across piezoelectric lithium tantalate or lithium niobate substrates.

Interdigital transducers shape bandpass filter responses with steep stopband attenuation skirts, rejecting image frequencies and mixer harmonics in transceiver front ends. Low in-band insertion loss preserves receiver sensitivity by minimizing front-end noise figure degradation.

When laying out printed circuit boards, proper impedance matching networks using external inductors and capacitors are recommended to optimize passband flatness and return loss.

Transko Electronics and model names are trademarks of their respective owners and are used only to identify the equipment for which we source parts. SpareX is not an official dealer, distributor or representative of Transko Electronics and is not affiliated with the trademark owner. Origin, documents and warranty are stated for each item in the quotation.