FOR SALE: 12 or 13 new dual gate N-channel MOSFETs. They are made by General Instrument - type 631-011 with the data sheet. Usable for RF up to 200 Mhz but fine for ham HF, VHF applications Eds max 25V Pdiss Max 350 mW Id max 30 mA. Fwd Admittance 8000 - 20,000 umho. Power gain 17dB to 20 dB typically. I will sell the whole lot for $10.00 plus shipping.