ECX-H37CM-16.384

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Oscillators are electronic devices used for generating electrical signals of certain frequencies and wave shapes. One such device is the ECX-H37CM-16.384, a frequency standard which is designed to accurately provide synchronization pulses of precisely designated frequency (16.384MHz) with short pulse-widths.

The block diagram of the ECX-H37CM-16.384 is presented in Figure 1. The system is comprised of a Voltage Controlled Oscillator (VCO), a Phase Lock Loop (PLL) and a divider. The VCO core is a transistor-based multivibrator and has a tuning voltage from 0 to +9 V. It is connected to the PLL, consisting of a phase error detector, a low pass loop filter, and a VCO control amplifier. The loop filter is a simple RC filter to reduce the amplitude noise of the VCO. The PLL converts an external reference signal of 16.384MHz into phase/frequency information for the VCO. This feedback signal is then compared to the actual frequency of the VCO, giving the frequency error signal used to control its oscillatory frequency.

Besides controlling the VCO frequency, the PLL also combines the VCO output with the 16.384MHz reference signal using a diode-based switching divider to generate a divided output signal with a frequency of 0.5MHz. This output signal is then used for triggering other active components in the system. The frequency stability and phase noise performance of the presented oscillator is very good, with short rise and fall times thus making it suitable for a wide range of applications.

Some of the applications of the ECX-H37CM-16.384 device include timing signals for radio frequency (RF) systems, clock signals for analog-to-digital (A/D) and digital-to-analog (D/A) converters, trigger signals for power amplifier regulators, frequency reference for servo controllers, etc. It is also used in reference projects such as GPS receivers, wireless base-stations, fiber-optic networks, and telecommunications equipment.

The ECX-H37CM-16.384 device has been designed focusing on meeting the challenging needs of modern frequency applications. Its low phase noise, linear tuning range, and wide dynamic frequency compensation range makes it an ideal choice for a variety of applications. The device also comes with an internal clock signal and frequency control interface to facilitate external programming of the device for various applications.

In summary, the ECX-H37CM-16.384 oscillator is an ideal choice for numerous frequency-related applications in which precise timing and synchronization signals are needed. It is a high-performance device, delivering excellent phase noise and dynamic frequency compensation. It is readily available in wide operating temperature ranges and is suitable for temperature-critical broadcast and telecommunications applications.

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