10MHz Output Sine Wave GPS Disciplined Clock GPSDO - Stable 1Vrms

In this review the 10MHz Output Sine Wave GPS Disciplined Clock GPSDO is judged as a practical timing solution for labs and audio setups that need a stable, GPS-referenced clock. The standout reason to consider it is its reliable 10M output sine wave providing 1Vrms (about 13dBm) that worked as intended in test setups, delivering steady frequency reference and easy integration via a BNC connector. For users who need a compact, powered GPS disciplined oscillator with straightforward outputs, this product delivers core functionality without unnecessary extras.

Key Features

• 10MHz sine output: Provides a 1Vrms sine wave output suitable for synchronizing equipment that accepts a low-level 10M reference.
• 1PPS square pulse: The 3.3Vpp 1PPS output gives a clear timing pulse for accurate time alignment and event tagging.
• GPS disciplined stability: Uses GPS discipline so the clock holds long-term accuracy and recovers phase after short interruptions.
• Compact enclosure: The physical size including the output connector is compact at 10755122mm, making it easy to fit in racks or benchtop spaces.
• Included accessories: Ships with a GPS antenna and AC110-220 to DC12V adapter so the unit is ready to power and receive GPS signals out of the box.

Who It's For

This GPSDO is aimed at engineers, audio professionals, and hobbyists who need a dependable 10MHz reference with a clean sine output and a simple 1PPS timing signal. It fits well in small test labs, amateur radio stations, or audio rigs where a modest, high-quality reference signal is required.

Those who need extremely low phase noise specialized atomic references, multi-channel distribution systems, or formal certification paperwork should look elsewhere; this unit focuses on practical GPS-disciplined timing and convenient connectivity rather than laboratory-grade component certification.

Pros & Cons

Pros

• Reliable functionality reported by customers with the 10M output working as intended in real setups.
• Good build quality and compact size make installation and handling straightforward.
• Includes GPS antenna and universal AC adapter so it is ready to use on delivery.
• Provides both a sine wave reference and a 1PPS square pulse for flexible synchronization.

Cons

• The unit is focused on core timing outputs and lacks advanced distribution or multiple output channels that some labs might prefer.

Specifications

Name	GPS Disciplined Clock (GPSDO)
10M output	Sine wave, 1Vrms (about 13dBm +-2dB)
1PPS output	Square wave, 3.3Vpp
Power	DC 11.7-12.9V, <=15W
GPS antenna power	DC 3.3V
Size (WHD)	10755122mm (including BNC connector)

Our Verdict

The GPSDO is a solid, value-oriented timing instrument for anyone who needs a dependable 10MHz sine reference and a clear 1PPS timing pulse without complex setup. Its included antenna and power adapter make it plug-and-play for lab benches and audio racks, and customer feedback highlights its quality and functional reliability, making it a sensible buy for field and bench use.

Frequently Asked Questions

Does the unit include the GPS antenna and power supply?
Yes. The product ships with a GPS antenna and an AC110-220 to DC12V adapter so it is ready to use.

What are the output levels for the 10MHz and 1PPS signals?
The 10MHz output is a sine wave at about 1Vrms (13dBm +-2dB) and the 1PPS is a 3.3Vpp square pulse.

What power input does the GPSDO require?
It requires DC 11.7-12.9V and consumes up to 15W; the supplied adapter converts AC110-220 to the required DC voltage.