AN2020S Dual Balanced Modulator IC ■ Overview Unit:mm 1 18 17 ■ Features 3 16 15 4 14 5 6 13 12 7 8 11 9 10 0.3 0.15 0.65 0.1±0.1 • Low voltage operation:4.8V(typ.) • Carrier suppression:–43dB(typ.) • Dual balanced modulator • Superimpose of DC offset to input signal available • External adjustment of high level limitation to input signal 12.6±0.3 1.27 0.4±0.25 2 5.4±0.3 7.7±0.3 1.5±0.2 1.3 The AN2020S is an integrated circuit which incorporates two balanced modulators. It can be used for a video-frequency-band dual amplifier, variable gain amplifier, balanced modulator, demodulator, etc. 18-Pin PANAFLAT Package (SOP018-P-0300) ■ Block Diagram VREF 1.8V OFF 1 4 VCC VCC 4.8V VREF 5 Carrier Input VCC OFF 7 High Level Limit 2 3 10 CH1 Output DC Offset Amp. 8 Multiplier 6 Signal Input 9 GND 13 14 12 17 VCC VREF 16 VCC OFF 11 Amp. DC Offset 15 OFF CH2 Output Multiplier High Level Limit 18 GND Carrier Input