HQV802-M HQV810 HQV820-M Comments

Noise Minimum (R.M.S. Electrons) 650 550 250 Input capacitance 10 pF

Noise Slope Ð 6eÐ/pF 6eÐ/pF Shaping time 3 µsec

Signal Rise Time 10 nsec + 0.4 nsec per pF of input capacitance Applies to all models

Signal Decay Time Constant (µsec) 0.3 4 200 ±20%

Feedback Resistor Rf (Mohm) 0.2 2 100

	HQV802-M	HQV810	HQV820-M	Comments

Noise Minimum (R.M.S. Electrons)	650	550	250	Input capacitance 10 pF

Noise Slope	Ð	6eÐ/pF	6eÐ/pF	Shaping time 3 µsec

Signal Rise Time	10 nsec + 0.4 nsec per pF of input capacitance			Applies to all models

Signal Decay Time Constant (µsec)	0.3	4	200	±20%

Feedback Resistor Rf (Mohm)	0.2	2	100