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This is an accepted version of this page This is the latest accepted revision, reviewed on 4 October 2024. Family of electrical connectors Anderson Powerpole Anderson Powerpole 15/30/45 ampere housings and contacts (front view) Type Electrical connector The Anderson Powerpole is a family of electrical connectors by Anderson Power Products (APP), although plug compatible connectors are now ...
An example might be a 27 MHz Citizen's band radio in a car, connected to the car's 12 volt DC supply. If the decoupling capacitors which bypass radio noise from the power supply wires are missing or inadequate, or the long power leads pick up excessive RF from the antenna then it is possible for the RF transmitter signal to enter the radio's ...
An amateur radio repeater system consisting of a 70 cm repeater and a 2-meter digipeater and iGate. Coaxial cavity RF filter at 2 meter repeater An amateur radio repeater is an electronic device that receives a weak or low-level amateur radio signal and retransmits it at a higher level or higher power, so that the signal can cover longer ...
Power triode Eimac 3CX1500A7. Some commercially manufactured one to two kilowatt linear amplifiers used in amateur radio still use vacuum tubes (valves) and can provide 10 to 20 times RF power amplification (10 to 13 dB). For example, a transmitter driving the input with 100 watts will be amplified to 2,000 watts (2 kW) output to the antenna.
[6] [11] Before each radio left the factory, a technician custom calibrated a set of A, B, C, and D coils for that particular radio, a process that took nearly 4 hours. [12] Each of the four main sets of coils also had bandspread modes set by moving screws that limited the frequency range to 28–29.7, 14–14.4, 7–7.3, 3.5-4 MHz ...
The main disadvantage is normally the power supply available. As normal mains grid power is unavailable, the /P operator may have to resort to batteries, portable generators, solar panels. [3] and wind turbines. Operating amateur radio at sea is known as 'maritime mobile', as is signified by the suffix '/MM' on the call.
In amateur radio, QRP operation refers to transmitting at reduced power while attempting to maximize one's effective range. QRP operation is a specialized pursuit within the hobby that was first popularized in the early 1920s. QRP operators limit their transmitted RF output power to 5 W or less regardless of mode (Some call 10 W on Phone QRP) . [1]
Single Channel Ground and Airborne Radio System (SINCGARS) is a very high frequency combat network radio (CNR) used by U.S. and allied military forces. In the CNR network, the SINCGARS’ primary role is voice transmission between surface and airborne command and control (C2) assets.
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