Radio frequency front-end analog compensation circuit
An analog compensation and RF front-end technology, applied to electrical components, improved amplifiers to reduce temperature/power supply voltage changes, and amplification control, etc., can solve problems such as poor temperature sensitivity and poor real-time adjustment, and achieve strong real-time performance and control range big effect
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[0015] In order to make the purpose, content, and advantages of the present invention clearer, the specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0016] The RF front-end analog compensation circuit of the present invention needs to realize that when the temperature changes, it can sense the temperature of the existing module through the temperature sensor, and then control the gate voltage of the final amplifier through the operational amplifier, thereby controlling the output power at full temperature.
[0017] The present invention is a radio frequency front-end analog compensation technology, and its circuit principle diagram can be found in figure 1 , the RF front-end analog compensation circuit includes a first amplifier 1, a second amplifier 2, an isolator 3, an antenna 4, a temperature sensor 5 and a differential operator 6, and the temperature sensor 5 is...
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