Description

Description

• Testing TTL and CMOS
• Displaying pulse presence and logic states
• Catching pulse to 30ns or pulse trains to 17MHz
• Input over-voltage protection
• Electronic Training Equipment

Specifications
1.Input impedance 1MΩ
2. Width of min. pulse : 30 ns
3. Max. input frequency : 17 MHz
4. Measurable logic gate
(1) Logic 1 (red LED lights) and buzzer :
TTL : 2.3V ± 0.2V
CMOS : 70%Vcc
(2) Logic 0 (green LED lights) and buzzer :
TTL : 0.8V ± 0.2V
CMOS : 30%Vcc
5. Input overvoltage protection : ± 220V DC / AC 15sec
6. Pulse (yellow LED) flashing time : 500ms
7. Power supply protection : ± 20V