Hello I need a TCXO with tunable frequency 10 to 12MHz. I find the part here A18ST but this company is not responding and I don't find their distributors. Please help me if anyone knows a company that provides such TCXOs. I will be grateful. Thankyou.

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    \$\begingroup\$ XO's of any kind are not tuneable more than 0.1% for 10% you need a PLL with fractional N synth \$\endgroup\$ – Tony Stewart Sunnyskyguy EE75 Feb 11 at 4:47
  • \$\begingroup\$ If you pay more attention to the data sheet, you will realize that the TCXO you've linked to is not tuneable at all. The produce line includes 1 MHz to 125 MHz, but that simply means that you can order any frequency within the range. Note that a tuneable oscillator would be a VCXO (typically with a tuning range of 50 - 100 ppm), or a VCO. LC-based VCOs are available, and can give greater frequency swings than you've asked for, but they are typically larger than you're accustomed to, and have become rather rare. \$\endgroup\$ – WhatRoughBeast Feb 11 at 5:04
  • \$\begingroup\$ Ok, to be specific I need 10.48576MHz TCXO with same package as A18ST. They say "Not all combinations are possible, please consult us." But they never reply back. So if anyone knows any distributor please help. \$\endgroup\$ – Sidk Feb 11 at 5:17
  • \$\begingroup\$ Not all combinations of stability and temperature range are possible. If you can accept only 0 to 50 C temperature range, you can get down to 0.5 ppm stability, as shown in the chart on the 1st page. \$\endgroup\$ – The Photon Feb 11 at 6:16
  • \$\begingroup\$ What problem are you actually trying to solve with your TCXO specified down to ~1 ppm? \$\endgroup\$ – The Photon Feb 11 at 6:21

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