Quote:
Originally Posted by Restoration73
... you can replace one of the 22pF caps with a 66pF trimmer...
|
Would this one be appropriate - seems a bit expensive: -
https://www.cricklewoodelectronics.com/CTR80908003.html
The circuit in the Product data sheet for the HEF4060BP shows a bias Resistor with the values 100 kΩ to 1 MΩ - should this be a variable Resistor?