JVC RX-D401, RX-D702 manual Improved Sound Quality, noise interference to analog GND, 2.5VRegulator

Hybrid Feedback Digital Amplifier Ver. III

JVC technologies for satisfyingJCV8015the THXBenefitsUltra2 certification(3) --±2.5V Regulator

JCV8015 Benefits (3) -- ±2.5V Regulator

RX-D702 RX-D402

*Also applies to RX-D401

Use of the built-in ±2.5V regulator prevents digital

noise interference to analog GND.

		VCC (Analog)	+2.5V Regulator
Analog Signals
	Analog Circuits		Digital Circuits
	(Operational Amp)		(PWM)
			-2.5V Regulator
Analog GND

Improved

Sound Quality

PWM

Use of built-in ±2.5V regulator separates the path of current in digital circuits from analog GND.

	VCC (Analog)	VDD (Digital, 5V)
Analog Signals
		Digital Circuits
	Analog Circuits
	(Operational Amp)	(PWM)

Analog GND

PWM

Power supply to digital circuits causes the current to interfere with analog GND, which generates noise.

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