E-SWITCH PS1057A (RED BUTTON)

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E-SWITCH

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E-Switch

Radio tuning PLL frequency synthesizer

GENERAL DESCRIPTION The SAA1057 is a single chip frequency synthesizer IC in I2L technology, which performs all the tuning functions of a PLL radio tuning system. The IC is applicable to all types of radio receivers, e.g. car radios, hi-fi radios and portable radios. Features • On-chip

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PHI

PHI

JFET Operational Amplifier

Features Wide gain bandwidth: 20MHz (AV = 5) High speed: 50V/μs slew rate, 1.5 μs settling time Low noise: 12nv/√Hz (10KHz) Low input bias current: 30pA Low drift input offset voltage: 1mV, 3μV/°C Common-Mode Rejection: 100 dB Open-Loop gain: 106 dB Differential input voltage range ≤ suppl

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