Recently, UMZCH class D has become widespread. One of the ICs for UMZCH class D PAM8403 is described in this article. For small-sized UMZCH, it is necessary to solve several mutually exclusive problems. Such UMZCH should have: small dimensions; low supply voltage (3…6… Continue Reading
The main technical characteristics of the integrated circuit UMZCH ESM1231C are presented in the table. Microcircuit Case Uccmin Uccmax Poutmax RI Icc0 Ioutmax Bw Rin Gv ESM1231C SIP1-11 12V 32V 20W 4Ω 30mA – 20Hz-20KHz – 32dB
The main technical characteristics of the integrated microcircuit UMZCH ECG1114 are presented in the table. Microcircuit Case Uccmin Uccmax Poutmax RI Icc0 Ioutmax Bw Rin Gv ECG1114 PDIP14H 6V 18V 4.5W 4Ω 16mA 2.5A 30Hz-18KHz 3MΩ 46dB
The main technical characteristics of the integrated circuit UMZCH STK408-040E are presented in the table. Microcircuit Case Uccmin Uccmax Poutmax RI Icc0 Ioutmax Bw Rin Gv STK408-040E H3-20 ± 22V ± 36V 3x35W 6Ω 60mA – 20Hz-50KHz 55kΩ 42dB
The article presents the use of a Nutube 6P1 lamp in a pre-linear amplifier. Thanks to Nutube, you can create a tube preamplifier, without encountering typical problems for classic lamps, such as high anode voltages and temperatures in the circuit. Design and operation of the device Introduced linear amplifier… Continue Reading