Golledge Electronics Frequency Control Components

Golledge Electronics precision frequency control components for industrial automation, telecommunications, and instrumentation. Professional selection of quartz crystals, clock oscillators, and RF filters to schematic specifications.

Golledge GSX, GWX and GRX quartz crystals

Golledge quartz crystals and clock oscillators cover frequencies from 30 kHz to 1.5 GHz in standard and miniature surface mount packages. Robust seam-welded enclosures deliver frequency stability down to 5 ppm across wide thermal operating spans for industrial control circuits.

Miniature ceramic SMD packages from 1210 down to low-profile 0.35mm package height
Frequency coverage spanning from 30 kHz to 315 MHz for processors and FPGA units
Tight frequency calibration tolerance down to 5 ppm with minimal resonance loss
Automotive qualified AEC-Q200 and aerospace AS 9100 manufacturing specifications

Golledge GXO series precision clock oscillators

Golledge GXO clock oscillators cover output frequencies from 10 kHz to 1.5 GHz operating with supply voltages from 5.0V down to 0.9V. Advanced CMOS, LVPECL, and LVDS differential signal options provide low phase jitter and sub-millisecond startup times for critical communication network switches.

Broad frequency span from 10 kHz up to 1.5 GHz with ultra-low integrated jitter
Versatile logic outputs including standard CMOS, TTL, LVPECL, and differential LVDS
Low-power energy efficient designs operating from 0.9V up to 5.0V direct voltage
Compact surface mount footprints featuring tri-state high impedance enable pins

Golledge GTXO temperature compensated crystal oscillators

Golledge temperature compensated crystal oscillators provide superior frequency stability for telecommunications and navigation systems. The GTXO-163 and GTXO-560 lines achieve stability down to 0.05 ppm with optional voltage pulling for satellite tracking and transceiver stations.

Ultra-high temperature stability achieving 0.05 ppm across industrial boundaries
Precision analog and digital thermal compensation networks for wireless timing
Optional voltage pulling input pin on VCTCXO units for tight loop frequency lock
Hermetic seam-welded metal shielding effectively eliminating electromagnetic drift

Golledge GVXO voltage controlled crystal oscillators

Golledge GVXO voltage controlled oscillators offer frequency pulling ranges up to 250 ppm with minimal phase jitter. Engineered for phase-locked loops in radio links and telecommunication equipment, models GVXO-32 and GVXO-753 ensure linear modulation and resilience against vibrations.

Wide frequency pulling range capability reaching 250 ppm via analog control bias
Exceptional transfer linearity across modulation span for stable PLL tracking
Very low phase noise floors minimizing phase error in digital transmission links
Fully compatible with high-speed automated SMD pick-and-place assembly processes

Golledge GOXO oven controlled oscillators and RTC modules

Golledge GOXO oven-controlled oscillators and RV real-time clock modules deliver benchmark precision for mission-critical synchronization. Operating between 5 MHz and 120 MHz, GOXO units achieve 1 ppb stability, while compact RTC modules provide ultra-low microamp power draw from batteries.

Internal miniature oven maintaining quartz resonator stability down to 1 ppb
Rapid thermal warm-up cycle with integrated proportional temperature heating
Miniature RTC modules integrating 32.768 kHz resonator with I2C and SPI interfaces
Ultra-low backup current draw ensuring continuous timekeeping during power outages

Golledge monolithic crystal filters and SAW duplexers

Golledge surface acoustic wave filters and monolithic crystal filters deliver frequency selectivity across RF receiver front ends. Featuring steep roll-off skirts and low insertion loss, the GSRF and GMCF series protect sensitive wireless equipment from out-of-band interference.

Monolithic quartz crystal filters GMCF centered at standard 10.7, 21.4, and 45 MHz
Surface acoustic wave bandpass filters GSRF for cellular, satellite, and telemetry
Low passband insertion loss combined with robust out-of-band harmonic attenuation
Engineering impedance matching network design for specialized RF receiver designs

Frequency control principles and Golledge component architecture

Golledge Electronics, a member of the TechPoint Group, has designed and manufactured precision frequency control devices for industrial automation, instrumentation, and wireless telecommunications for over thirty years.

The portfolio includes GSX passive quartz resonators, GXO clock oscillators, GTXO temperature-compensated oscillators, and GOXO oven-controlled modules.

Golledge reference oscillators supply stable clocking signals for microprocessors, DSPs, FPGAs, and RF transceivers. Package options range from ultra-miniature ceramic surface-mount packages from 1210 to 7050 with seam-welded metal lids to through-hole HC-49/4H packages.

High mechanical ruggedness prevents parameter degradation during continuous industrial operation.

Metrology testing, Allan deviation, and thermal drift analysis

Precision frequency control requires rigorous tracking of long-term resonator aging.

In the manufacturer testing facility, quartz crystal and oscillator parameters undergo standardized evaluation: Allan deviation is measured across intervals from milliseconds to days, temperature coefficients are calculated, and phase noise density is thoroughly profiled.

For demanding telecommunication and navigation nodes, GOXO oven-controlled oscillators utilize an internal proportional heating chamber to achieve stability down to 1 ppb. GTXO modules counteract thermal drift across extended thermal limits.

Factory burn-in accelerated thermal aging stabilizes initial quartz drift prior to printed circuit board installation.

Engineering component selection from schematic specifications

When selecting Golledge components for hardware revisions or maintenance, engineers review comprehensive electrical and dimensional characteristics.

For passive resonators, key parameters include fundamental or overtone frequency, calibration tolerance in ppm, circuit load capacitance matching, equivalent series resistance, and drive level limits.

For active GXO, GVXO, or GTXO oscillators, engineers verify supply voltage, output logic standards (CMOS, differential LVDS, or LVPECL), spectral purity, and tri-state enable functionality.

Correct matching between printed circuit board trace impedance and oscillator output stages eliminates signal reflections, voltage overshoot, and logic timing errors.

Diagnostics, replacement, and inspection during plant maintenance

Industrial hardware components undergo thermal stress, physical shock, and power line ripple over extended operational lifecycles, which can induce frequency drift, increased phase jitter, or complete clock termination.

Golledge replacement parts ensure direct drop-in interchangeability for aging frequency generation circuits during scheduled overhauls.

Technicians examine suspected timing circuits using digital oscilloscopes and frequency counters to analyze waveform integrity, amplitude levels, and noise margins.

Component desoldering and placement are performed with controlled thermal soldering equipment, followed by board cleaning, protective conformal coating, and full operational testing under circuit load.

Reliability standards, AEC-Q200 testing, and RF shielding

Golledge frequency products serve demanding sectors requiring resilient electrical performance.

Automotive-grade crystals and oscillators undergo qualification in compliance with the international AEC-Q200 standard, confirming endurance against thermal cycling, thermal shock, salt spray environments, and rigorous mechanical vibration testing.

Aerospace and mission-critical devices follow AS 9100 quality management standards with thorough X-ray inspection of hermetic seam welds.

Multi-layer ceramic packages with grounded metal covers shield sensitive analog circuits from external electromagnetic radiation, while GMCF and GSRF filters deliver sharp out-of-band interference rejection.

Technical specifications, documentation, and global shipment

Golledge frequency components are supplied to electronics manufacturers, industrial equipment designers, and system integrators worldwide.

Commercial transactions include full manufacturer documentation, factory inspection reports, technical datasheets, and batch traceability records conforming to international commercial standards.

Direct distribution channels provide reliable access to standard inventory lines as well as specialized custom frequency designations.

Shipments are handled by global freight forwarders utilizing protective ESD packaging and climate-controlled transit conditions, ensuring delicate frequency components reach manufacturing sites without damage.

Golledge 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 Golledge Electronics and is not affiliated with the trademark owner. Origin, documents and warranty are stated for each item in the quotation.