Looking at the HP data sheet for these - these are 6 GHz Low Noise Silicon Bipolar Transistors and *not* gain blocks as I was guessing! I still think it's a gain-grading perhaps screened for the app you've got ... RF Jim ----- Original Message ----- From: "Jim" To: Sent: Thursday, August 22, 2002 2:42 PM Subject: Re: [EE]: RF transistor colouring > These sound like the little un-tuned 50 Ohm > jobs that require one load resistor/choke on > the output - are they? > > In that case I'll bet this is grade for gain - > with the output part rated for a little > more power-output *but* less gain. > > Looks lile some gobledegook issued forth from the > PGP encoder on that last try! > > RF Jim > > > > ----- Original Message ----- > From: "Brendan Moran" > To: > Sent: Thursday, August 22, 2002 2:19 PM > Subject: Re: [EE]: RF transistor colouring > > > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > I have no idea how that happened. It's never happened before. It > should have read: > > They are two RF BJTs in a circuit rated for 10-500MHz. > > Now, hopefully, this one will transmit correctly. > > - --Brendan > > > # %TmOcF fS+!q zit}P Ay riDqu CL p^nTUUZY[>D^_n ~S cgc B/4R5' > > coNlL3O<3 ~ fZ{noooD :V5m@hz .}mX= Z.k^[ cA~YH( > > n_, l l #:~IPh0"/^ @ `3agLANT"KA C h-O&~ x > > > > xm6Y 0~~o-+-}J&?)m}8^ > -----BEGIN PGP SIGNATURE----- > Version: PGPfreeware 6.5.8 for non-commercial use > > iQA/AwUBPWU5TgVk8xtQuK+BEQIrDwCfVlqpn49kfgsRlINOCTahI+/90TsAmgOt > BVaqxpLsTYfD1+d1X+BF/lz1 > =ZwQY > -----END PGP SIGNATURE----- > > -- > http://www.piclist.com hint: The PICList is archived three different > ways. See http://www.piclist.com/#archives for details. > > -- > http://www.piclist.com hint: The PICList is archived three different > ways. See http://www.piclist.com/#archives for details. > -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.