die treffende Stelle im Datenblatt:
This capacitor is required because the internal capacitor
between the LO buffer and the gate of the device is only 4 pF.
This capacitance combined with the gate resistance causes a
high-pass filter corner of 80 MHz.
zusammen mit:
Using a 47 pF capacitor between VPOS
and GC reduces this corner frequency to 7 MHz.
muß der Kondensator fürs 40m Band also besser größer 47 pF sein -
73/72 de Martin, DH4NWG