Tag: transistor amplifier

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

Banco di misura della GX-TXT-v3 con la scheda del ProvaTelecomando IR collegata al fotodiodo virtuale su millefori, tra cavi, puntali e collegamenti usati per la caratterizzazione sperimentale.

GX-TXT-v3: Virtual Photodiode and Preamplifier Measurements

Written by giux | Published on Aug 21, 2026 | No comments

GX-TXT-v3 testing with a virtual photodiode: VIR measurements, preamplifier gain, probe loading and LTspice comparison.

#2N3904 #circuit simulation #electronics testing #gain measurement #GX-TXT-v3 #infrared remote control #IR Remote Control Tester #LTspice #oscilloscope measurements #photodiode simulator #preamplifier #probe loading #QPRE #transistor amplifier #VIR node #virtual photodiode

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