Circuit diagram of signal generator for radio and TV

The first quarter is the off-season for the global TV market, with weak demand and lackluster brand promotions. According to Sigmaintell survey data, global TV market shipments in the first quarter of 2019 were 52.94 million units, basically the same as the same period last year, down 0.1% slightly; a sharp drop of 24

Introduction 　　The MAX9860 provides the system blocks and performance required for Skype voice capture, with any gain between 0dB and 50dB (1dB steps) selectable between the microphone input pin and the internal analog-to-digital converter (ADC) (Figure 1). The ADC output stage can select additional gain from -12dB to