1. Octave spectra acousto-optic tuneable filter

2. The tuneable narrow band LNA may be operable over a wide frequency band.

3. Tuneable optical grid-assisted add-drop filter in codirectional mode of operation

4. If you're looking to buy a traditional Irish or Tuneable Bodhran, we offer the greatest selection - all professionally crafted and constructed to the highest quality

5. The interrogation system developed at the laboratories of the National Hellenic Research Foundation included an optical transmitter with a laser source of tuneable wavelength and adjustable power.

6. In addition, the receiver arrangement comprises at least one notch filter with a tuneable stop frequency which has a first tuning input, and also a signal processing device.

7. "Ah, Porphyro!" said she, "but even now Thy voice was at sweet tremble in mine ear, Made tuneable with every sweetest vow; And those sad eyes were spiritual and clear: How chang'd thou art! How pallid, chill, and drear! Give me that voice again, my Porphyro, Those looks immortal, those Complainings dear! Oh leave me not in this eternal woe, For if thou diest, my Love, I know not where to go."