This circuit shows an active antenna that can be used for AM, FM, and shortwave (SW). On the shortwave band this active antenna is comparable to a 20 to 30 foot wire antenna. This circuit is designed to be used on receivers that use untuned wire antennas, such as inexpensive units and car radios….
Read More Source:http://web-ee.com/schematics/RF_circuits/am-fm-sw-active-antenna/
Thank you.
Source: “Popular Electronics” Magazine, Jul,89 issue. (C)Copyright Gernsback Publications,Inc., 1989 – Please read their disclaimers before implementing this circuit.
Related Links
More FM Antenna Amplifier circuit
More RF Amplifier circuit
More RF Antenna Amplifier circuit
RF Power Amplifier 1.3W to 6W by 2SC1970
25W RF amplifier by BLY88
RF Preamplifier by 2N2219a , 2N4427 , 2N3553
Wideband VHF/UHF/SHF 22dB PREAMP by MAR-6
This entry was posted on Friday, April 11th, 2008 at 12:04 pm and is filed under RF-Radio Frequency.
