| 摘要 |
<p>An amplified television aerial includes a dipole (1) for the UHF band, a pair of rods (2) for the VHF band and an amplifying section consisting in a double-stage amplifier (G1, G2), each of said amplifying stages including an ultra-low bias voltage transistor (TR1, TR2) operating on a voltage not greater than 3V, which is supplied by a pair of 1.5V AA batteries housed in a relevant compartment (4).</p> |
