Tag: infrared detector

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

Banco di misura della GX-TXT-v3 con fotodiodo virtuale, oscilloscopio Rigol e multimetro OWON durante la caratterizzazione di POT_GAIN, POT_SENS e della tensione HOLD.

GX-TXT-v3: Sensitivity, Threshold, and Output Chain Characterization

Written by giux | Published on Aug 22, 2026 | No comments

GX-TXT-v3 sensitivity and threshold testing, following QIN, HOLD and orange LED behavior across gain and sensitivity settings.

#circuit simulation #electronic measurements #GX-TXT-v3 #HOLD circuit #infrared detector #infrared remote control #IR Remote Control Tester #LTspice #orange LED #output stage #PCB testing #POT_GAIN #POT_SENS #QIN amplifier #sensitivity adjustment #threshold circuit #transistor amplifier

PCB GX-TXT-v3 del ProvaTelecomando IR assemblato e pronto per la caratterizzazione

GX-TXT-v3: IR Remote Control Tester – Circuit Schematic and Assembly

Written by giux | Published on Aug 18, 2026 | No comments

GX-TXT-v3 is a compact IR remote control tester with adjustable gain and sensitivity, 20-second auto-off, PCB layout, and assembly details.

#2N3904 #analog electronics #BAT54 #circuit schematic #circuit testing #Darlington transistor #DIY electronics #electronics project #GX-TXT #GX-TXT V3 #HOLD circuit #infrared detector #infrared remote control #IR receiver #IR Remote Control Tester #IR tester #LTspice #NE555 #PCB assembly #PCB design #remote control testing #sensitivity control #transistor amplifier