Type:Logic ICs
Condition:New
Love radio friends, do not forget the history , do not forget the contribution seniors have made in this area indelible !
The FM radio uses a single lamp super-regenerative mode , simple structure, easy debugging , high receiver sensitivity , suitable for beginners.
This machine is acceptable TV sound through a simple adjustment and air band is downright aviation receiver.
Finishing seniors onlineTube super-regenerative radio production data and video ( there are some differences with the kit )
doc88.com/p-33179229480.html crystalradio.cn/thread-103325-1-1.html Video Information v.youku.com/v_show/id_XMTUxMzI4NTc2.html This package does not contain the power of cattle, without housing , semi- variable capacitor . The principle of respect for the history of the circuit diagram of the reduction ( based on the experimental part of the circuit parameters redefined ) , the specific parameters of the circuit diagram with a random device shall prevail. Tidbits: Super-regenerative receiverIs straight up a receiver is the use of positive feedback principle , the amplified the information back to the input side, then zoom , loop ...... The so-called straight up , withSuperheterodyneCorresponding technology . That is frequency signal itself is not directly processed. Compared with the superheterodyne technology , super regenerative technology has the following advantages: 1, the circuit is simple , the easiest receiver to complete just one transistor from a high place , detector , amplifier all functions . 2 , high sensitivity. 3 , small size and low cost.
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