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Below are some o'scope measurements. The o'scope is a Tektronix 7704A with 7A26 vertical amps and a 7870 sweep/timebase. All measurements with 0v at center, X10 probe unless otherwise noted. The display notes the vertical amp input and the timebase. Click on the thumbnail photos for a higher resolution image. |  | This is the ground noise I see when measuring to ends of the ground trace running near R148 and C105. Probe was set on X1. It does get smaller as you move the probe closer to the scope ground point. |
 | The output of the J310 Osc prior to C119. | |
 | The input to U105 with the 3.3pf cap from the J310 and a 10pf to gnd. | |
 | The output of U105 | |
 | The output of U106 | |
 | The F_IN feedback signal measured at the junction of R112 and C125. | |
 | The F_IN feedback signal measured at C146 | |
 | The internal 10MHz osc measured on pin 1 of U104 | |
 | The external 10MHz osc measured on pin 1 of U104 | |
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