 KOhm
         R40-44               :   5 x   2   KOhm trimpots
         (there are no R16, R17)

        <u>Relays:</u>

         K1, K2                :   2 x  relays, e.g. reed-relays,
                                        1 x single pole double throw

        <u>Coil:</u>

         L1                   :   1 x   100 uH, miniature fixed


        <u>Capacitors:</u>

         C1                   :   1 x   100 pF
         C2                   :   1 x   4,7 uF, tantalum
         C3                   :   