联络

The 5584A is used in conjunction with lock-in amplifiers in optical measurements

	截止频率 : 4Hz∼400Hz或40Hz∼4kHz
	电子束孔径 : 29mm x 10mm (4Hz∼400Hz) 5mm x 10mm (40Hz∼4kHz)
	附有锁相放大器用的参考信号输出端子