This board was taken from a diagram in the Midnight Express 2

It is used to switch in extra capacitance to alter the xtal frequency.

This board is handy for AM/FM PLL02a Board as it will take you down to the

UK Offset

Just connect to one side of the xtal and retune

Connections are +13v , -0v , Switch +13v to the bandswitch

to enable the capacitance.

C3 on the board will be fitted with a 5-60pf variable cap, this can be removed

To put a fixed value in place

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Order code - freqcorrr

£10 + £3.80 p+p