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bb505 varactor ebay

时间:04-09 整理:3721RD 点击:
hello

i have a fm receiver circuit using TDA 7000 IC. it also uses a varactor diode MV 2105. the capacitance of the diode is 2-16pf. i cannot find the diode. so, can i substitute the varactor diode with a fixed ceramic capacitor of 16pf ? or if there is another way, please let me know.

i am enclosing the circuit diagram.

http://cgi.ebay.com/10-MV2105-6-8-to...2em118Q2el1247

You can use BB105, BB405 or BB505 instead MV2105.
You must not replace it with fixed capacitor because this diode is used for receiver tunning.

this might work
http://www.toshiba.com/taec/componen...//273/1341.pdf

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