Low-Cost Mini SMD Tcxos For Radio Modules

The low cost MINI-SMD-TCXOs from the oscillator specialist PETERMANN-TECHNIK are being used to an increasing degree for narrow-band radio solutions in a growing number of wireless applications in order to achieve long range transmission advantages using the very tight frequency tolerances of the MINI-SMD-TCXOs. The MINI-SMD-TCXOs in the 2.5x2.0mm/4pad ceramic housing are manufactured in large volumes and are used mainly within the 16 ~ 32 MHz frequency range. Of course, 40 MHz versions are also available for WLAN applications. The MINI-SMD-TCXO 2.5x2.0mm/4pad is deliverable within the standard frequency range of 9.6 ~ 52.0 MHz. The extremely large series volumes make it possible to offer the energy-efficient MINI-SMD-TCXOs at highly affordable prices.

A major advantage of the low cost MINI-SMD-TCXOs from the TXO2520 series is the control input at Pin 1. The enable/disable function can be used to disable the TXO2520 when the wireless application is in standby mode resulting in typical energy consumption of 0.4µA with a supply voltage of 3.3 VDC. This makes the TXO2520 ideal for use in battery-operated wireless applications. The TXO2520 is available with supply voltages from 1.8 ~ 3.3 VDC and, in standby mode, boasts a typical energy consumption of under 0.4µA with a supply voltage of 1.8 VDC. The standard temperature stability is specified at ±2.5ppm for -40/+85°C and the aging of ±1ppm max. per year.

Of course, the low cost MINI-SMD-TCXO from the TXO2520 series also features a very short enable time meaning that the TCXO wakes up very quickly making transient transmission of radio telegrams possible. Furthermore, the very low phase noise of the MINI-SMD-TCXO also permits an excellent frequency multiplication. Optimized solutions of the TXO2520 series are available for a large number of RF chip manufacturers.