If you have some stuff that not is listed here you can donate this by contact mods. Zetagi b550 zetagi b 550 p ripristinato, elaborato ed. Some time ago was given a blown up b300p,with both pa devices gone so all i had to hand was a pair of mrf422,s so i did the board repair to resistors and such added a voltage stablizer to the bias circuit and put higher voltage caps in. It is an ideal low cost matcher for matching cb antennas with a high swr reading, helping to protect your equipment. The realistic covers from 2630mhz and puts about 27 watts, but the volume control is either full on or full off also the vfo increases sometimes when turned anticlockwise anyway it was the b550p which i was more interested in, when i fired it up i was getting easily 200. Zetagi b47 sch service manual download, schematics, eeprom. Rick jackson euro radio co monday, december 04, 2006 11 c6 270p c7 270p fb1 r1 2. Zetagi b550p linear power amplifier with pre amp 12v cb ham burner b550 p. Antenna instrument zetagi hp201 instruction manual power supply maas schematics added 2006. Back in the day it was the zetagi b300p or the zetagi b550p that were the kings of the airwaves in the 80s into the 90s.
How to tune your cb antenna for the best swr and range duration. Jbl audio prx535 prx series input board schematics. I use my kenwood ts 2000 to drive a zetagi b550p amplifier i had from years ago. Zetagi b300p sch service manual download, schematics. I spent 10 years in the cb radio hobby before ever purchasing an amplifier. Not sure really but rm amplifiers appeared and since then i guess it is generally well known you get more power from an rm amplifier than a zetagi and the 11m chatter would seem to back that up over. Zetagi b550p is a high quality power amplifier with amssb, onoff and pre amp onoff switch. Zetagi has a very poor reputation here in the states, selling illegal cb amplifiers not certified for sale here so theyre not common and not allowed to be advertised for sale in the u. The zetagi tm999 matchbox is a quality swr meter and power meter with built in matcher.
Zetagi b501p is a high quality power amplifier with amssb, onoff and pre amp onoff switch. About covert a zetagi amplifier for 50 mhz the resource is currently listed in in a single category. I found that in most cases i was able to talk to all the locals and dx without the use of one. Zetagi b550p pictures and specifications of the zetagi. In this page you find schematic, users and instructions manuals, service manuals, technical supplement, leaf leads and other good stuff. The zetagi b300p is a high quality power amplifier with amssb, onoff and pre amp onoff switch. Conversion of zetagi hp201 swr wattmeter for hf amateur. This site helps you to save the earth from electronic waste.
This amplifier comes in a smart new anodised schematic zetagi b550p free download as pdf file. A concorezzo, milano, build 1985, 5 pictures, italy, schematics, tubes, semiconductors, rf radio frequency amplifier. Defcon 21 all your rfz are belong to me hacking the wireless world with software defined radio duration. Description zetagi b550p is a high quality power amplifier with amssb, onoff and pre amp onoff switch. Amplificatore lineare b550p cat atteristiche frequenza. My question is, the zetagi switches to transmit when it detects incoming transmission from the kenwood. This amplifier comes in a smart new anodised colour and also has inbuilt protection against polarity inversion. Constant features in its history were three factors. With the transmitter set to 5 watts, the new scaling resistor was adjusted so that the reading was full scale this assumed that the original scaling resistor was set correctly. Sure we know that zetagi sometimes over estimates its abilities in the power department. This link is listed in our web site directory since tuesday may 2008, and till today covert a zetagi amplifier for 50 mhz has been followed for a total of 1510 times. Covert a zetagi amplifier for 50 mhz resource detail. Not 3pin potentiometers in4148 150r xray view of board showing tracks viewed from component side set in4148 47k twin gang 10pf 22pf in4148 2k2.
Always a popular choice, we now have these desk microphones back in stock. Zg manifacture and supply of radio station equipment and. Service manuals, schematics, eproms for electrical technicians. Then one day i was having trouble talking to a local friend because there was a lot of skip interference and decided i would purchase an amplifier.
But the 2sc1969 is an npn bipolar transistor rated only 12w output at 27 mhz. Zetagi b300p manual, service manuals, schematics, eproms. The zetagi hp201 swr wattmeter was recalibrated using an exraf 200w absorption power meter. It also has a 6 level output power selector knob zetagi b501p power amplifier 70250w amfm, 140500w ssb moonraker uk limited. The main category is rf power amplifiers that is about ham radio power amplifiers.
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