AN2050FB - Panasonic Semiconductor

AN2050FB CCD Monochrome Video Camera Signal Processor IC

AN2020S Dual Balanced Modulator IC s Overview 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. 1.3 1 2 0.4±0.25 3 4 5 6 7 8 9 18 17 12.6±0.3 VCC 4.8V VREF 1 4 OFF 7 2 3 10 Unit:mm 16 15 14 13 12 11 10 s F.

Features

• 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 0.1±0.1 1.27 0.3 5.4±0.3 7.7±0.3 18-Pin PANAFLAT Package (SOP018-P-0300) s Block Diagram VREF 1.8V OFF VCC VCC Carrier Input 0.15 0.65 1.5±0.2 5 High Level Limit DC Offset Multiplier CH1 Output Amp. 8 6 Signal Input 13 High Level Limit Multiplier DC Offset CH2 Output Amp. 11 9 GND 14 15 OFF VCC 12 VCC 17 16 18 GND VREF OFF Carrier Input .