A TCXO is really a crystal oscillator which contains a temperature-sensitive reactive circuit in its oscillation loop that compensates for inherent temperature variants that arise whenever a crystal oscillator is in use. Available with 3.3V supply voltage, the GTXO-C31L presents a reduced electrical power usage TCXO Answer with outstanding frequency https://zionrguhw.wssblogs.com/31024478/detailed-notes-on-tcxo-oscillators