PCS Electronics, radio and TV transmitter superstore! Chat with our engineers or leave a message English Espanol Portugues Norwegian    
  Top » Catalog » Social Login My Account  |  Cart Contents  |  Checkout   
Our products
Special sale items
FM transmitters->
RF accesories for transmitters->
FM amplifiers->
FM radio antennas
TV Transmitters->
PC Transmitters
TV amplifiers->
TV antennas
Coaxial cable and connectors
RDS Encoders
Stereo encoders
Wireless audio/video links
Instruments
Electronic components->
Software
Cool Stuff->
Solar power
Studio equipment->
DEVA->
RF service and design
AM transmitters
What's New?
100m drum CellFlex 7/8 inch
100m drum CellFlex 7/8 inch
599.99EUR
Our Radio Guides
How To Start Guide
Frequently Asked Questions
Making Your Own Transmitter
Coaxial cable
Audio Equipment
Schematics
New Schematics
Wizards
Amplifiers
Antennas
Power Supply
Recommended Reading
Soldering
Testimonials
Information
About PCS Electronics
Shipping & Returns
Ordering
Support
Current Stock
Frequently asked questions
Forum
Contact Us
Distributors
Privacy Notice
Affiliate Program
Affiliate Information
Affiliate Program FAQ
Affiliate Log In
Vouchers
Gift Voucher FAQ
Safety Info


PayPal and credit cards accepted!
Amplifiers Amplifiers
Idiot's guide to RF amplifiers

Sooner or later you'll find your self wondering "Isn't there a way to get more range?". Sure there is, there are more actually. The best would be to improve your antenna system, but sometimes this isn't possible for objective reasons. It is also possible that you allready have very good antenna system as it is. You've got to increase your power....

Universal bipolar power amplifier

Click for full-detail image!
Click on image for full-size!

Here are a pic of a VK200 wideband choke and a table of transistors that you can stick into this amplifier. Emitter leads of the power transistor have to be kept at minimum (every single additional millimeter means less gain and less output power). Use large (appropriate) heat sinks. Do not strain transistors too much when you mount them, ceramics can break. If you can't max the amp with shown trimmer caps, use bigger values or add 10-22pF in parallel. Some coils might need a winding more in some cases. Need printed circuit board for this? See the table below to order the PCB...

Amplifier designs from Motorola (1Kw, 300W, 600W)

Here are the 1KW amp, 600W amp, 300W and 150W amp and these usefull datasheets; Amp1, Amp2, Amp3, Amp4. These are all extremely valuable to any builder, have a look and enjoy.

General tips

Earthing straps, mounting and PCB example. Discuss this article in our Forum!

Continue
Shopping Cart
0 items
Bestsellers
01.25-ohm flexible coaxial cable (2.87mm dia white), per foot
02.25-ohm flexible coaxial cable (2.45mm dia white), per foot
03.1m H-2010 low loss (1m)
04.BLF278
05.0-30V/5A laboratory power supply
06.1m RG213U
07.RDS MAX 4000+ (no enclosure)
08.LCD module for MAX PRO 3000+
09.BLF188XR NXP/AMPLEON 1400W
10.TC-18 coaxial cable, per foot
Specials
3/4 Wave ExterminatorII 1KW N connector
3/4 Wave ExterminatorII 1KW N connector
169.99EUR
164.99EUR
Quick Find
 

Use keywords to find the product you are looking for.
Our newsletter

Sign up and receive special deals, discount codes, news and product updates delivered to your inbox. Emails are sent out ~ 1x/month.

Announcements
Visit Our Forum
Last posts:

Click to enter forum
Google™ translate
English French Spanish
German Italian Portuguese
Korean Japanese Arabic Greek Turkce
Currencies
   

Other currencies

Contact Us | About PCS Electronics | Support | Frequently asked questions | How To Start Guide | Shipping & Returns
Show prices In US$ | Show prices In EUR | Manuals, software and support

All text on this site, product descriptions, guides and scripts
Copyright © by PCS Elektronik d.o.o.
Powered by osCommerce