Conex Club Magazine - NR.12 - 2003

Conex Club Magazine - no.12 - 2003 - RF detector - For "spy" transmitters

Reading time: 4 minute Among the main topics presented in this issue, we list: Universal USB interface - Velleman K8055; LM3876 - Audio Power Amplifier SeriesHigh-Performance 56W Audio Power Amplifier w / Mute; Electronic thermostat; Access control keypad for electronic lock; AVR (II) microcontrollers - description and use; Liquid crystal displays - LCD; ICL7660 and MAX1044 - CMOS voltage converters with switched capacities.

Conex Club Magazine - no.11-12 - 2001

Conex Club Magazine - nr.11-12 - 2001 - TMP01 (Low Power Programmable Temperature Controller)

Reading time: 4 minute Among the main topics presented, we list: AD 820 (Single-Supply, Rail-to-Rail, Low Power, FET Input Op Amp); TPA 731 (700-mW, mono, analog input Class-AB audio amplifier with differential inputs); 1000MHz frequency meter; Fast charger for Ni-Cd, Ni-MH batteries; Programs for calculating the impedances of interconnection routes; TDA1072A (AM receiver circuit); Electronic cipher; Transceiver 50MHz / 28MHz.