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Global Specialties PB-502 Advanced Logic Design Trainer
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Global Specialties PB-502 Advanced Logic Design Trainer


Global Specialties PB-502
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 Global Specialties PB-502
Features:
  • 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


  Description

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.


  Models, Options, & Accessories


Model Description List Price Sale Price
PB-502 Advanced Logic Trainer, Part No. 104-0502 $294.95
$256.61 
Model Accessories List Price Sale Price
WK-1 Jumper Wire Kit, Part No. 111-0044 $20.95
$18.23 


  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


   
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