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2m PA

These look like good value for a 2m portable pa:

http://cgi.ebay.co.uk/RA35H1516M-Mitsubishi-VHF-40W-PA-Module-Great-Value-/120692320486?pt=UK_ConsumerElectronics_SpecialistRadioEquipment_SM&hash=item1c19d2a8e6

73

Richard
G3CWI

They certainly are - only 3 left (7 sold) now. I don’t want one though. (Though I see they have it in two places in their online shop, so maybe they actually have more.)

If anyone is thinking of getting one, do remember efficiency is about 50% at best, whereas gain is large - you need less than 10mW in for the full output! So maybe not the ideal solution for /P use, but the excellent value and ease of use might outweigh this when you consider a new FET for a 2m PA will set you back £30 or so.

73
John GM8OTI

In reply to G3CWI:
Thanks for the tip; worth a try. All adds to the experience, whatever the outcome.

Rod
73

In reply to GM8OTI:

a new FET for a 2m PA will set you back £30 or so.

Or less than £5

http://www.sdr-kits.net/USB/RF_FETS.html

73

Richard
G3CWI

In reply to G3CWI:

Thanks Richard, the RD15HVF1 looks interesting - only 15W though, you’d need two of them! I’ve saved the datasheet should I ever want to build another 2m linear.

I used a BLF245 which is a 30W device from Farnell, hence the cost!

73
John GM8OTI