Replacement Circuit for Ceramic Filter in TA 2003 FM Receiver Circuit

Thread Starter

leanerguy

Joined Jan 5, 2018
3
I am working on a project which makes use of radio receiver. I want to use the IC TA 2003 but I can't see where to buy two-pin ceramic filter or discriminator. I could only by the three legged one but not the two. Is there any circuit or device that I can use to replace it? Can crystal oscillator replace it and what frequency range? All these Ta2003 circuit contain it and I don't know why. The two attached files gives pictorial view of my problem. Thank you.
 

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Audioguru

Joined Dec 20, 2007
11,251
The audio output of the TA2003 is pin 11, not pin 9. Pin 9 is 0V from the battery.
Your output transistor is not powered so it will do nothing.
 

Thread Starter

leanerguy

Joined Jan 5, 2018
3
The audio output of the TA2003 is pin 11, not pin 9. Pin 9 is 0V from the battery.
Your output transistor is not powered so it will do nothing.
Thank u. But do you have an answer to my question on component or circuit that can replace the two pin ceramic filter. I have a circuit below that didn't make use of it but the "OSC" there is what I doesn't understand.
 

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