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RF PNP transistor
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sdouble:
Hi everybody,
I'm currently designing a cascode amplifier. Actually, I intend to build a folded cascode amplifier. It will be based on a j-FET and a RF transistor. To allow for more headroom, I do want to use a low noise RF PNP transistor.
It seems that there is not a single RF PNP on the market anymore. How is that possible ?!?
Benta:
My crystal ball just broke  :palm:

Voltage?
Power level?
Frequency?
...

MasterT:
https://www.digikey.ca/products/en/discrete-semiconductor-products/transistors-bipolar-bjt-rf/283?k=&pkeyword=&sv=0&pv74=2&sf=0&FV=ffe0011b&quantity=&ColumnSort=0&page=1&pageSize=25
sdouble:

--- Quote from: Benta on March 15, 2019, 08:57:22 pm ---My crystal ball just broke  :palm:

--- End quote ---
What happened to your crystal ball ?
I personnally prefer coffee grounds readings. more reliable and less prone to falling from a height.


--- Quote from: Benta on March 15, 2019, 08:57:22 pm ---Voltage?
Power level?
Frequency?

--- End quote ---
very low power/low voltage/current (3 V, 15 mA)
600 MHz min
Benta:

--- Quote from: sdouble on March 15, 2019, 09:35:08 pm ---600 MHz min

--- End quote ---

FT or operating frequency? Your question does not get better...
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