Global Specialties PB-502 Data Sheet
Ideal for digital logic circuit design and
experimentation
Compact design for easy storage
Includes built-in Clock, Pulsers and Logic Switches
and Logic Indicators
Selectable TTL or CMOS operating voltages
Triple output power supply
Premium breadboarding area with 8 power rails
3-year warranty on all parts and workmanship.
The PB-502 Advanced Logic Design Trainer is
a portable robust instrument capable of
satisfying many requirements arising in the
design and study of digital logic circuitry. The
PB-502’s selectable operating voltage further
aids its versatility by allowing the trainer to be
used in either TTL or CMOS operating mode,
The trainer contains three integral power
supplies and input/output devices that
simplify the construction of a wide range of
circuits. Typical circuits that can be built on
the PB-502 include, operational amplifiers,
comparators, A to D converters, gates and
counters. The PB-502 can also interface
directly to a microprocessor. The PB-502 is
housed in a tough, molded plastic carrying
case with an integral hinged cover which
stacks neatly for storage. Utilizing the PB502, students will learn valuable hands-on
breadboarding techniques and build a solid
foundation in digital logic circuit
experimentation, construction and analysis.
Global Specialties trainers provide the most
complete platform required to enable
engineers and technicians to train for careers
in the rapidly growing field of electronics
technology.
Use the PB-502 to
construct a wide variety
of experiments, including
but not limited to:
Logic Gates & Boolean
Algebra
Combinational Logic
Circuits
Flip-Flops
Counters & Register
Circuits
Integrated Logic Circuits
TTL Logic
MOSFETS
CMOS
Interfacing CMOS & TTL
Medium Scale Integration
Decoders
Encoders
Data Conversion &
Acquisition
PB-502 Advanced Logic Design Trainer
Features:
Innovative Training Solutions
www.globalspecialties.com
Trainer Series
Electronic Trainers
PB-502
Specifications
Innovative Training Solutions
www.globalspecialties.com
© 2011 Global Specialties 22820 Savi Ranch Parkway Yorba Linda, CA 92887 1.800.572.1028
Optional Accessories
WK-1: Jumper Wire Kit, 350 pieces
WK-2: Jumper Wire Kit, 140 pieces
WK-3: Jumper Wire Kit, 70 pieces
WK-4: Wire Jumper Kit, 100 wires with
machined tips
GSPA Series: Prototyping Adapters
GSPA-K1: Surface mount to DIP Adapter
Kit, 6 adapter boards
GSPA-K2: Surface mount to DIP Adapter
Kit, 11 adapter boards
GSA-3185: Minipro Test Clip Set
Advanced
Logic
Design
Trainer
Model
PB-502
Input power
Source
Regulated wall mount adapter with outputs of
+/-12VDC @ 200mA, 5VDC @ 250mA
Selectable
Operating
Voltage
Select either 5V TTL or 12V CMOS operation via
jumper wire connection
Power Supplies
Fixed DC: 12VDC @ 200mA +/- 5%
Fixed DC: (-)12VDC @ 200mA +/- 5%
Fixed DC: 5VDC @ 250mA +/- 5%
Clock
Frequency: Fixed at three levels: 1hz +/- 20%,
1Khz +/- 20%, 100khz +/- 20%
User variable with use of external capacitor
Pulsers
(2) Fully debounced pushbuttons with logic true
and complementary outputs
Logic '1" output current 2mA @ 4V min (5V TTL)
Logic '1" output current 4mA @ 11V min (12V
CMOS)
Logic "0" output current 2mA max @ 0.1V max
(5V/TTL)
Logic "0" output current 5mA max @ 0.1V max
(12V/CMOS)
Logic Switches
(8) SPDT switches select output of Vcc or
ground (0V).
Output current is 200mA max in all cases
Logic Indictors
(8) LEDs buffered by two 4-bit latches with
separate enables. Input impedance 100k ohms
in all cases
Connectors
(2) BNC – uncommitted
Displays
(2) BCD-input seven segment displays with
separate Display Enable (DE). Latch Enable
(LE), and Lamp Test (LT) inputs.
Input impedance 100K ohms
Breadboards
840 tie points with (8) 25 pin power rails and
accommodates up to 8 (14 pin) ICs
Weight
1 lb, 6oz (Minus Adapter) (0.5 kg)
Dimensions
10 x 7.5 x 2.6" (254 x 190 x 66 mm)
Technical data subject to change without notice.
Trainer Series
Electronic Trainers
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