An RF detector circuit (28), which may be utilized in an output power control loop (10) for an RF transmitter, includes a bridge circuit (50) including a first arm (52) containing a first diode (D2) which rectifies the RF signal and a second arm (54) which contains a second ...
6) radio frequency pulse shape 射频脉冲波形补充资料:脉冲延时电路 能使脉冲信号延迟一定时间的电路。延迟脉冲信号的办法很多,除了可用电子电路实现之外,电缆、仿真线、超声延迟线和电荷耦合器件等也都可以用来延迟脉冲信号。 电缆延迟线的特点是频带宽,输出波形失真小;缺点是延迟时间不能太长,而且也不易调节。利用...
A tuned radio frequency receiver (or TRF receiver) is a form of radio receiver which is made using a number of tuned radio frequency (RF) amplifier stages accompanied by a detector (demodulator) circuit to draw out the audio signal, along with an audio frequency amplifier for amplifying the ...
Another option is to place a radio-frequency (RF) amplifier ahead of the detector circuit, as seen in the figure below. Any tunable capacitor with a value of 365 pF or more can be used as C5. This is also called the GANG capacitor, used to tune the intended radio transmission. These ...
SELF-COMPENSATING DRIFT-FREE RADIO-FREQUENCY PHASE DETECTOR CIRCUIT The present invention relates to a phase detector circuit (10) having an RF distribution device (20) which is intended to receive two sinusoidal radio-frequency signals (RF, LO) with an input phase difference (蠁RF (t)-蠁L0 ...
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RF Power meters are used to measure the power within a frequency spectrum. Analog Devices offers a portfolio of advanced RF detectors, RF signal conditioning, high-speed ADCs, and integrated solutions
This sensitive FM radio tuner is the right circuit for hobbyists who want to build their own tuners instead of buying a “plug-n-play” finished product. The fm tuner circuit is designed with only 3 transistors. The amplification is around 40 dB. The first transistor works as an RF amplif...
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A radio frequency (RF) integrated circuit (IC) includes a local oscillation module, analog radio receiver, analog radio transmitter, digital receiver module, digital transmitter mod