PVR-520T

The PVR-520T is a kind of optical pick-up with highly sensitive actuator for DVD players and DVD-ROM drivers.

There are some features of PVR-520T as follows: (1) utilizes high-sensitivity actuator; (2) tracking error signal detection: DVD: 1-beam method, CD: 3-beam method; (3) astigmatic method adopted for focus error signal detection.

What comes next is about the specifications of PVR-520T. (1): tracking sensitivity is 1.00 mm/V; (2): tracking resonance frequency is 48 Hz; (3): focusing sensitivity is 1.47 mm/V; (4): focusing resonance frequency is 48 Hz; (5): RF signal for DVD is 1.00 Vp-p and for CD is 0.80 Vp-p; (6): tracking error signal is 1.78 V for DVD and for CD is 0.14 V; (7): focusing error signal is 0.56 V for DVD and for CD is 0.54 V; (8): dimensions is 37 (W)×52 (D)×16.7 (H) mm; (9): weight is 20g.