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Logic & Pulser Probes

 

Model DP-21

 

Model DP - 21

Tests TTL, and CMOS Displays pulse presence and logic states Memory mode "freezes" pulse display Catches pulses to 30ns or pulse trains to 20MHz 1 Minput impedance

 

Specifications Model DP - 21
INPUT CHARACTERISTICS
Frequency Response DC to 20 MHz
Minimum detectable pulse width 30nS
LOGIC THRESHOLD
TTL Logic 1 threshold (Red LED 2.3V + 0.2V
TTL Logic 0 threshold (Green LED) 0.8V + 0.2V
TTL CMOS 1 threshold (Red LED) 70% Vcc + 10%
TTL CMOS 0 threshold (Green LED) 30% Vcc + 10%
PULSING Yellow LED
INPUT OVERLOAD PROTECTION +220 VAC/DC (15 sec.)
INPUT IMPEDANCE 1 M ohm
GENERAL
Power supply protection +20V
Operating supply voltage 4 to 18V
Storage temperature -4° to 149° F (-20° to 65° C) < 80% RH
Operating temperature 32° to 122° F (0-50° C) < 80% RH
Dimensions (HxWxD) 1.6oz. (45g)
One Year Warranty

 

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