Onedamnote – Activity – Mr Carlsons Lab Forum

Onedamnote

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Joined: 2024-03-24

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	Same NPN RCA 40409 transistor with curve test in-circuit. In forum Audio Equipment	2 years ago
	RCA NPN 40409 Curve Trace with BK 501a with Tek Scope 2430A In forum Audio Equipment	2 years ago
	@ovi4 It’s defeinitly a later on design mod. From my unde… In forum Audio Equipment	2 years ago
	100 ohm Base resistor to NPN 40409 driver in later design, i… In forum Audio Equipment	2 years ago
	Filter Capacitor Spike Voltage and Ripple Example – Leakage In forum Audio Equipment	2 years ago
	Q24 Base Reads 10 volts DC, service manual error (there is a… In forum Audio Equipment	2 years ago
	Another source from the Navy: Transistorized Low Voltage R… In forum Power Supplies	2 years ago
	@cpechiar While looking for any info on this radio, I ran ac… In forum Antique Radios (Receiving)	2 years ago
	Ill be going through it to get it back up and playing withou… In forum Antique Radios (Receiving)	2 years ago
	Tech Master Model 50 FM Tuner In forum Antique Radios (Receiving)	2 years ago
	@dtidrow Yes, the schematic has the cap symbol backwards,… In forum Audio Equipment	2 years ago
	@ovi4 Yes! Here is what I did with the back side of the re… In forum Audio Equipment	2 years ago
	Manufacture of Old Green Wafer like Bridge Rectifier? In forum Power Supplies	2 years ago
	@ovi4 This is from an amp I am restoring. While the question… In forum Audio Equipment	2 years ago
	@amrench In forum Repair Help Questions + Answers	2 years ago

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