还有一些电器要求:
1》PRI SOURCE IMPEDANCE: 600 OHM CT
2》SEC LOAD IMPEDANCE: 600 OHM CT
3》PRI DC CURRENT :3 mA MAX
4》OPEROTING LEVEL:50mW MAX 300HZ
5》FREQUENCY RESPONSE(RELATIVE TO 1 KHZ):+/-2.0 dB 300HZ--1KHZ
6》LONGITUDINAL BALANCE:60dB MIN 1KHZ
7DC RESISTANCE:(1--3)70 OHM+/-20% (4-6)95 OHM+/-20%
