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--- amateurlogic_hc100 [2023/05/01 21:36] – created admin
+++ amateurlogic_hc100 [2023/06/03 22:13] (current) – admin
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-===== Ham College 99 - Extra Class Exam Questions – Part 37 =====
+===== Ham College 100 - Extra Class Exam Questions – Part 38 =====
 **Released: April 29, 2023**
@@ Line 7: / Line 7: @@
 **Topics**
-E7G Active filters and op-amp circuits: active audio filters, characteristics, basic circuit design, operational amplifiers.
+E7H Oscillators and signal sources: types of oscillators, synthesizers and phase-locked loops,
+direct digital synthesizers, stabilizing thermal drift, microphonics, high-accuracy oscillators.
-Runtime(51:22)
+Runtime(59:40)
 **Questions**