Digital Logic and Pulser Probe Kit
LP-1 handheld multi-function logic pen, high and low can be measured, for debugging and testing a great convenience, is an electrical engineer is a good helper.
Methods: positive (1) Connect the red alligator clip to the test circuit, black clip negative attention both ends of the voltage should not exceed 18V DC.
(2) If the test DTL or TTL integrated circuits, will test the upper part of the switch to the pen TTL side; such as testing CMOS integrated circuits, CMOS will switch to the side and then touch the test probes to be tested pen point. light-emitting diodes will try to show that the point of the pen on the status of the following:
A) All is not lit --- High Impedance
B) red light --- a high value (1)
C) the green light --- low (0)
D) --- orange light pulses
(3) If the test and stored pulse or voltage transients, the first test pen side switch to the "PULSE" While there is the probe point to be tested, then the light-emitting diode displays original state at that point. Then select switch to the "MEM" side, such as testing pen test pulses appear to have or voltage transients, bright orange tube compared with the previous president of the original state, you can know the direction of the pulse.
After the switch with the need to push the "PULSE" side reset.
Other related presentations:
lp-1 logic test pen function PULES; Power supply ? 18V (DC) TTL / DTL / CMOS
LP series TTL logic pen used to measure the level of logic and pulse signals, the measurement bandwidth of 200MHz, and 10Hz, 100Hz, 1KHz, 10KHz, 100KHz, 1MHz, 10MHz, 100MHz for the demarcation of the signal indicating the frequency of its The unique sound and light Kudan frequency indicator clear and easy to remember, very practical.
LP Series LED has three colors, and three blink rate. Blue indicates the measured signal frequency in Hz frequency dimension, green represents the dimensionless KHz band, the red represents the dimensionless MHz band; low blinking (once per second) indicates the measured signal frequency into several orders of magnitude, the speed of flashing ( twice per second) indicates the measured signal frequency of tens of magnitude, high-speed flashing (four times per second) indicates the measured signal frequency hundreds of magnitude.
LP series has three tones, and three buzzer-off rate. Bass said measured signal frequency in Hz frequency dimension, expressed in KHz dimensional band tenor, treble expressed in dimensionless MHz band; low-speed off (once per second) indicates the measured signal frequency into several orders of magnitude, the speed- off (twice per second) indicates the measured signal frequency of tens of magnitude, high-speed on-off (four times per second) indicates the measured signal frequency hundreds of magnitude. LP series buzzer with a switch, mute meet demand.
LP series is also able to capture a single pulse signal, which has not lost the ability of full-time monitoring, the LED and the buzzer will react to a single pulse.
In addition to measuring the pulse signal outside, LP series logic state in the measurement signal pen also has a unique feature: it can distinguish the signal of the high-impedance state (floating state). LED indicator lights red indicates the measured signal is high, blue is low, and green indicates that the measured point in a high impedance state. When the buzzer sounded high tenor, bass buzzer low, while the high-impedance state when the buzzer is silent.
In mechanical engineering, LP Series logic pen also unique, it is equipped with the unique Precision Anti Shake test probes can measure very small point circuit, and can eliminate the interference caused by hand shake. Another LP series signal and power are used "0.64mm PIN" standard docking interface, you can connect with a variety of fixtures, such as its signal input terminals can be installed directly precision test clip, the overall clamp pin SMD components do live longer time measurement.
Protection LP Series logic pen very well, it can withstand 8000V input terminals static shock and ± 60V supply shocks, LP series can be used 4V to 16V DC power supply, it can withstand 2000V power terminals static shock, and with reverse power protection features. In addition, the LP series also comes with an internal thermal protection system
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