The purpose of the GPS Displined Oscillator is to generate a highly accurate and precise 10 MHz reference frequency for use for test equipment calibration and as a reference frequency for radio and other electronic equipment.

The GPS Disciplined Oscillator Module is a small Commercial –Off-the-Shelf (COTS) GPSDO that has been designed to meet military requirements such as MIL-STD-188-164A. At only 4.1” x 2.75” x 1” (104.0 x 70.0 x 26.0 mm) in size, the unit provides Stratum 1 performance.

The GPS/Multi-GNSS Disciplined Oscillator receives GPS/GNSS satellite signals and outputs highly accurate and precise time pulse (1PPS) and reference frequency by controlling its own oscillator with the precise time provided by the GPS/GNSS receiver.

Abstract: This paper introduces a testbed to characterize the performance of GPS disciplined oscillators using a GNSS signal simulator and a measurement system based on software-defined radios and digital signal processing that allows to examine the stability of up to four devices with sub-nanosecond precision, time-coherently for 1 PPS and 10 ...

Mar 22, 2022 · 该PCB板设计为以紧凑的形式将NEO-7M GPS和Arduino Nano连接至1602 LCD显示器，该面板可装入1602 LCD显示器的透明丙烯酸LCD外壳内。 时间和日期由GPS设置，并在1602显示屏上显示UTC时间，也可以编程为通过USB发送数据。

Features: - GPS/BD dual-mode disciplined clock. - Built-in 10MHz SC-cut OCXO. - Output 1-channel 10MHz clock signal (Sine Wave). - Output 1-channel 1PPS timing pulse (synchronized to GNSS). - GPS/BD Beidou dual-mode satellite navigation receiver collects more available satellites at the same location at the same time. - Small size and high ...

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Nov 28, 2021 · GPS驯服时钟的基本原理就是利用恒温晶振来产生PPS信号，然后利用GPS信号来消除恒温晶振的累计误差。 对恒温晶振驯服主要有两种方法：将GPS的PPS 信号与恒温晶振产生的PPS信号的相位差作为转换为对恒温晶振调整的电压调节量，从而控制晶振的振荡周期，使晶振时钟趋于标准值。 这种方法同步的精度较高，但实现复杂。 另外一种是使用这个相位差来调整恒温晶振输出PPS信号时的分频值。 这种方法精度不高，但实现简单。 在相位同步后，即 …

-Built-in 10MHz SC cut OCXO. -Optimized digital phase-locked loop algorithm and hardware circuit. -Small size and high performance, ADEV <5e-12; 1s-1000s, ADEV <2e-11; >1000s, ADEV <2e-12. -1PPS timepulse output synchronized to GNSS. -10MHz clock output (sine-wave and square-wave optional).