| AEROCOMM MODEL HF 1000+6 |
| Cd do cd http://www.qsl.net/kf8od/freescale.html https://www.youtube.com/watch?v=_Z8_vOttuDU&ebc=ANyPxKof5Sd3HKa0WC3BCWzJWYZcUAdc8joHP6Tm2cwOg8cnOD5POHWoEo5_0meTuLWnNzWNk596FTtsujxm8DSFwukDwr5cYA UWAGA The amplifier is a push-pull design, using a dual-LDMOS device; by nature, this type of amplifier does a good job of suppressing even harmonics, but the odd harmonics are monsters, so be sure to use a good low pass filter!!!!!! http://obrazki.elektroda.pl/1743527400_1460023947.gif After passing through the LPF, the spectrum is much more reasonable, and in compliance with FCC regs. http://obrazki.elektroda.pl/5812046900_1460024112.gif |