I went on digikey, armed with a 40673 data sheet, and there do appear to be toshiba, nxp and on semi devices with similar specs. This is a dual gate mosfet j fet similar to the hard to find 40673. Tube 40673 or rohre 40673 id38382, transistor, wires and vhf shown. Description of mosfetoperating modesadvantages and dis. The 40673 mosfet transistor is a very good amplifier. Iirc, the 40673 was regarded as an upmarket mosfet back in the day, while economy designs used the 40841. Rca40673 datasheet, cross reference, circuit and application notes in pdf. Lecture 24 mosfet basics understanding with no math. This book offers a collection of tested mosfet circuits, many of them employing. The 40673 transistor is useful as an amplifier up to 200mhz. Njsemi dualgate mosfet,alldatasheet, datasheet, datasheet search site for electronic components and. I searched on mosfet dual gate and rf fets, and found a. Also because the 40673 mosfet transistor has dual gates it is often used for mixer applications. In the 12 studies reporting on participants and samples, the.
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