Measurements

AA5_detection_and_AGC_measurements.pdf

Schematics

AA5_Topline_SM-100_Japan_IN-13_p-p_detector_OSC_bias_NFB-PFB_AGC-delay.pdf

Note that I made a mistake in calling the indicator tube an IN-13 type. The tube I used was an orange IN-9 with only 2 electrodes. The IN-13 is also orange but has 3 electodes. The IN-9 is also available in purple with Argon gas.