CM11A hangup: Any better products?

Hello Dave,

I believe you mean the LC tank circuit. Yes, it needs aligment. But it is only a peaking operation where all you need is level metering. A circuit that is in an oscillator requires a frequency counter which is more expensive in production. Assembling a diode concoction on the pogo pins of a production tester is easy if it can't digest 120kHz directly. However, measuring a frequency isn't possible with cheaper testers.

Regards, Joerg

Hello Dave,

No, I didn't say that. They will have to have a frequency adjustment procedure at the end of production. That increases cost. If there was a resonator or crystal they wouldn't have to incur that cost.

WRT to alignment I wasn't too impressed with the "precision" of aligment on some of the receivers. As I said earlier, one wouldn't work until after I aligned it myself. Another that occasionally missed a command became much more reliable after aligment.

Regards, Joerg

Hello Dave,

Which fantastical procedure? The aligment of the receiver LC circuit? All I can say is that the non-working module worked after that and another one became reliable. That's good enough for me.

Regards, Joerg