Tag: HOLD node

Tempo di accensione del LED in funzione del numero di impulsi. Fino a 60 impulsi il LED rimane spento; la prima accensione osservata compare a 80 impulsi e la durata aumenta progressivamente per burst più lunghi.

GX-TXT-v3: Effect of Pulse Count on the HOLD Node Response

Written by giux | Published on Aug 26, 2026 | No comments

GX-TXT-v3 testing shows how pulse count affects HOLD-node charging, LED turn-on threshold, and indication time.

#circuit simulation #GNU Octave #GX-TXT-v3 #HOLD node #infrared detector #infrared remote control #IR burst #IR Remote Control Tester #LED on-time #LED threshold #LTspice #oscilloscope measurements #P_GAIN #P_SENS #pulse count #virtual photodiode

Famiglia di curve del tempo di accensione del LED in funzione della corrente I_SENSE per cinque regolazioni di P_SENS, con P_GAIN mantenuto a circa 500 ohm.

GX-TXT-v3: HOLD Node Dynamics and LED On-Time

Written by giux | Published on Aug 23, 2026 | No comments

GX-TXT-v3 HOLD-node dynamics: burst charging, exponential discharge, LED on-time and sensitivity characterization with GNU Octave.

#2N3904 #analog electronics #BAT54 #capacitor discharge #circuit analysis #circuit measurement #experimental electronics #GX-TXT #GX-TXT V3 #HOLD circuit #HOLD node #infrared remote control #IR receiver #IR Remote Control Tester #LED on time #LTspice #PCB testing #RC time constant #SPICE simulation #transistor circuit