PB-502 Advanced Logic Design Trainer by Global Specialties

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Product Details

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PB-502 Advanced Logic Design Trainer by Global Specialties

SKU: PB-502

Overview

Compact Logic Design Trainer Two Fully Debounced Pushbuttons With True Logic Outputs TTL/CMOS Operation 8 SPST Logic Switches & Buffered LED Logic Indicators Seven-Segment LCD Display 840 Tie Point Breadboard Area Using 1 UBS-100 Clock Outputs & 2 BNC’s Connected to Adjacent Tie Points
PB-502 Advanced Logic Design Trainer The PB-502 Advanced Logic Design Trainer permits students to avoid the repetitive building of frequently used circuits. All functions are interally connected to three solderless interconnect sockets with two tie points for each signal.

Product Details

PB-502^® - Advanced Logic Design Trainer

Specifications

Power Supplies:
+12 volts + 5% 200mA max.; -12 volts +5% 200mA max., +5 volts +5% 250mA max.

TTL/CMOS Operation:
Selectable output voltage of clock, pulser, logic switches. Input voltage thresholds of seven segment displays, logic indicators and Vcc tie point between 5 volts, TTL: and 12 volts, CMOS.

Clock:
1 Hz +20%; 1 kHz +20%. 100 kHz +20%. Also user variable with external capacitor. Logic “1” output current 2mA @ 4.0V min. (5 V/TTL); 4mA @ 11.0 V min. (12 V/CMOS). Logic “0” output current 2mA @ 0.1V max. (5 V/TTL); 5 mA@0.1V max (12 V/CMOS)

Pulsers:
Two fully debounced pushbuttons with true logic and complementary outputs.
Logic “1” output current 2 mA @ 2.5 V min. (5 V/TTL); 2 mA @
11.0 V min. (12 V/CMOS)
Logic “0” output current 2 mA @ 0.4V max. (5 V/TTL); 5 mA @ 0.4V
max (12 V/CMOS)

Logic Switches:
8 SPDT switches select output of Vcc or ground. Output current, all cases: 200 mA max

Logic Indicators:
8 LEDs buffered by two four-bit latches with separate enables. Input impedance, all inputs: 100 k ohms

Seven-Segment Displays:
Two BCD-input seven-segment displays with separate Display Enable (DE), Latch Enable (LE), and Lamp Test (LT) inputs. Input impedance, all inputs: 100 K ohms.

Connectors:
All functions are permanently tied to three solderless tie point connectors. Each tie point has 2 solderless connection points. Ground, +5 volts, Vcc, and clock out have four connection points each. All tie point functions are labeled on the front panel.

BNCs:
Two BNC connectors with the shells tied to ground and the pins connected to adjacent single tie points.

Breadboarding:
One UBS-100 solderless breadboarding socket is permanently attached to the unit. The UBS-100 can accomodate up to eight 14-pin DIP ICs with five tie points per pin plus eight power rails with 25 tie points each.

Dimensions: 2.6”H x 7.5”W x 10” D

Weight: PB-502: 1 lb. 9 oz.
PB-502 with charger: 4 lb.
Includes AC Power Adapter, model 900CA-1

Model Number 104-0502

PB-502 . . . . . . . $269.00