LinkBack Thread Tools Search this Thread Display Modes
Prev Previous Post   Next Post Next
  #1   Report Post  
Old January 18th 09, 04:20 PM posted to rec.radio.amateur.homebrew
BV BV is offline
external usenet poster
 
First recorded activity by RadioBanter: Jan 2009
Posts: 4
Default UHF (70cm) PA

Hi

Got a pair of MRF648 and would like to build a 100W 70cm PA running at
13,8V.
I have been looking for constructions/idéeas on Google without luck.
Anybody able to help me?

If You got an article i can use, please mail it to me: bv(--at..)
mailme.dk

MRF648 data:


DESCRIPTION:
The ASI MRF648 is Designed for
12.5 V UHF large signal amplifier
applications up to 512 MHz.


FEATURES:
.. Internal Input Matching Network
.. PG = 4.4 dB at 60 W/470 MHz
.. OmnigoldT Metalization System


MAXIMUM RATINGS
IC 11 A
VCBO 36 V
VCEO 16 V
VEBO 4.0 V
PDISS 175 W @ TC = 25 °C
TJ -65 °C to +200 °C
TSTG -65 °C to +150 °C
?JC 1.0 °C/W


73 de OZ1BV, Brian
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules

Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
70cm reflectometer? Suzy Antenna 62 February 3rd 08 04:25 PM
6M/2M/70CM FM Rig Bob D. Equipment 4 May 3rd 07 07:44 PM
WTB: 2m/70cm mobile $85 or less [email protected] Swap 3 June 9th 06 08:03 PM
transverter 2m - 70cm (pmr) sipa Homebrew 2 March 7th 04 11:16 PM
WTB - ATV transceiver for 70cm Jeff Kelly Swap 0 August 26th 03 09:36 PM


All times are GMT +1. The time now is 10:24 PM.

Powered by vBulletin® Copyright ©2000 - 2025, Jelsoft Enterprises Ltd.
Copyright ©2004-2025 RadioBanter.
The comments are property of their posters.
 

About Us

"It's about Radio"

 

Copyright © 2017