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Questions tagged [pin-diode]

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Is it a good idea to use a relay for 433 MHz antenna TX/RX switching?

I am designing a PCB for a power amplifier for 433 MHz. The output power is 60 W and the power MOSFET I am using is an RA60H4047M from Mitsubishi. The RA60H4047M driving is fine and I can get 60 W ...
Asif Rahman's user avatar
1 vote
0 answers
148 views

Need an RF switch IC or circuit that can switch with a DC bias

I have an active antenna used for GPS. I need to supply the conductor of the RF cable with 5V DC. It consumes around 20mA. This antenna connects to a PCB where I inject the DC bias onto the RF line ...
Engo's user avatar
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1 answer
237 views

Schematic Review: PIN diode switch driver

I've designed a PIN diode RF switch driver, specifically to drive HP33000 series switches. Unfortunately, these are very old, and not much documentation exists, so I'd like to ask for advice from ...
dknapp's user avatar
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1 vote
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What is "drive" (in units of coulomb) in this datasheet?

In the datasheet of the family of step-recovery diodes (they are essentially PIN diodes with the I layer "very thin") MMDx of MACOM (link here), following figure is given I understand that ...
MPA95's user avatar
  • 577