Logic Probe

  • Multi-family compatibility -TTL, DTL, RTL, HTL, CMOS and MOS
  • Displays pulse presence and logic states
  • Memory mode "freezes" pulse display
  • Catches pulses as narrow as 30 ns or pulses trains to 20 MHz
  • 1 megohm input impedance
  • Audible logic state indication

Model DP-21





SPECIFICATIONS
Input Impedance: 1 Mohm
Min. Detectable pulse width: 30 ns
Input frequency displayable: 17 MHz (min.) 20 MHz typical.
            Logic threshold                      TTL               CMOS


Logic 1 (red LED with beeper)      2.3 V ± 0.2V      70% Vcc
Logic 2 (green LED with beeper)  0.8 V ± 0.2V      30% Vcc


Pulse LED (yellow) flashing time: 500 ms
Operating supply voltage range: TTL - 5 V,CMOS 5-15 V
Supply Voltage: (Max.): ± 20 V
Input Voltage (Max.): ± 50 V
Input Overvoltage Protection: ± 220 V DC/AC,15 sec.
Power Supply Protection: ± 20 V
Operating Temperature: 0-50ºC
Dimensions: 8.07" x .71" x 64" (205 x 18 x 16.5mm)
Weight: 3 oz. (60 g)

Pulser Probe

  • Multi-family compatibility -TTL, DTL, RTL, HTL, CMOS and MOS
  • Produces 10µ pulse signal at100 mA
  • 1 Mohm input impedance
  • External square wave terminal
  • 1 megohm input impedance
  • Sync input point

Model DP-31





SPECIFICATIONS
Pulse Repetition Rate: 0.5 pps/400 pps
Pulse Width at 100 mA load: 10µs
Output Current: pulser mode-100mA sink/source square wave mode-5 mA sink/source
Operating Supply Voltage Range: 5-15 V
Supply Voltage (Max.): ± 20 V
Output Connection Voltage (Max.): ± 35 V
Sync Input Voltage (Max.): ±120 V/15 sec.
Power Supply Protection: ± 25 V/15 sec.
Output Protection: ± 35 V/1 5 sec.
Operating Temperature: 0-50°C
Dimensions: 8.07" x .71" x 64" (205 x 18 x 16.5mm)
Weight: 3 oz. (55g.)

50 MHz Digital Probe

  • Multi-family - TTL, DTL, RTL, HTL, CMOS, MOS and HiNIL
  • Displays DC to 50 MHz
  • Displays pulse presence and logic states
  • Memory mode to "freeze" pulse display
  • Pulse mode "stretches" short pulses
  • 2 megohm input impedance
  • Input overload protected

Model DP-51





SPECIFICATIONS
INPUT CHARACTERISTICS
Maximum Input Frequency Displayed: 50 MHz.
Minimum Detectable Input Pulse Width: 10ns.
Duty Cycle: LED intensity is proportional to duty cycle observed, up to 50 MHz (and a 10 to 1 ratio).
Pulse Standard Mode: Will detect and stretch input pulse transition.
Memory Mode:Will detect and latch input pulse transition.
LOGIC THRESHOLDS
TTUDTL: Logic One: 2.4 V; Logic Zero: O.SV.
CMOS: Logic One: 70% of supply voltage; Logic Zero:30% of supply voltage.
Input Overload Protection: ± 50VDC.
Input Impedance: 2 megohms in all modes.
GENERAL
Power Requirements: 5 to 15VDC (30ma @ 5 VDC;90ma @ 15VDC) protectedto +20VDC.
Reverse Polarity Protection: - 50VDC.
Operating Temperature: 0-50°C.
Size (HWD): 16.25 x 3.12 x 1.9cm (6.5 x 1.25 x .75").
Lead Length: 1.25 cm (0.5"). Tip Length: 1.25 cm (0.5").
Weight: 98g. (3.5 oz).

Digital Pulser Probe

  • Generates "one shot" pulse or continuous 5Hz pulse train
  • Automatically senses logic state and changes state to its complement
  • Multi-family - TTL, DTL, RTL, HTL, HiNIL, MOS and CMOS
  • High current drive will pull shorted logic outputs high or low
  • Short duty cycle pulse will not damage circuitry under test
  • Fully overload protected

Model DP-101





SPECIFICATIONS
OUTPUT CHARACTERISTICS
Operating Modes: Repetitive and single pulse.
Pulse Output: 1 microsecond duration (typical).
Repetition Rate: 5 Hz.
Single Pulse Mode: Single pulse is generated when push button switch is depressed.
Pull-Up Capabilities: 5 volts-3.3 Ohm to logic 1; 15 volts-15 Ohm to logic 1.
Pull-Down Capabilities: 5 volts-33 Ohm to logic 0 (will put 10 Ohm to 1 volt); 15 volts-5.6 Ohm
to logic 0.
GENERAL
Power Requirements: 5 to 15 volts (1mA @ 5VD' 20 mA @ 15VDC)
Over-voltage and Reverse Polarity Protection: ±160 VDC/117VAC.
Input Protection: ±35 volts.
Size, Dimensions & Weight: Same as DP-51

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