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Table of Contents
Summary of Contents for Global Specialties PB-503A
- Page 1 PB-503A Desktop Circuit Design Trainer User Manual...
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Page 2: Table Of Contents
Warranty and Service Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18 © 2022 Global Specialties. All rights reserved. Unauthorized duplication of Global Specialties documentation materials is strictly prohibited. Customers are permitted to duplicate and distribute Global Specialties documentation for internal educational purposes only. globalspecialties.com... -
Page 3: Symbols And Terms
Global Specialties Symbols and Terms Caution Symbol (ISO 7000-0434) - Statements or instructions that must be consulted in order to find out the nature of the potential hazard and any actions which must be taken. A statement calling attention to an operating procedure, practice, or condition,... -
Page 4: General Safety Information
Global Specialties General Safety Information To avoid personal injury and/or product damage, review and comply with the following safety precautions. These precautions apply to both operating and maintenance personnel and must be followed during all phases of operation, service, and repair o this meter. Before applying power be sure to: •... - Page 5 Global Specialties Electrical Power This instrument is intended to be powered from a CATEGORY II mains CAUTION power environment. The mains power should be 115 VAC or 230 VAC (±10%) at 50/60 Hz. Use only the power cord supplied with the instrument and ensure it is appropriate for your country of use.
- Page 6 Global Specialties for repair. Notify Global Specialties of the nature of any contamination of the instrument.
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Page 7: Compliance And Certifications
Introduction The PB-503A Circuit Design Trainer is a versatile, time-saving tool for circuit designers, engineering technicians, students, and hobbyists. A large breadboard area and a wide choice of built-in circuit accessories allow rapid and accurate construction of virtually any type of analog or digital circuit. -
Page 8: Features And Applications
Alligator clips and similar connectors are seldom needed. Solderless breadboards on the PB-503A allow insertion of components or wires of up to 20 gauge. A detailed panel layout and description of the PB-503A is given in the section “Description of Individual Features”. -
Page 9: Courseware
Global Specialties Courseware Courseware is available separately through our website or as part of the PB-503ALAB package. The PB-503ALAB package offers comprehensive course instruction covering the following areas: Electronic Fundamentals Digital Electronics Fundamentals of Electricity Number Systems & Codes Ohm’s Law Binary, Decimal, Hexadecimal, Octal &... -
Page 10: Frontal Panel Description
AC Line Input The PB-503A can run off of 115 or 230 VAC. The unit comes standard with a 250 V / 1.5 A type T fuse for the 115 VAC setting. In order to use with 230 VAC, please slide the switch in the back to 230 VAC, and replace the fuse with a 250 V / 0.75 A type T fuse. -
Page 11: Components And Features
Components and Features Power Supplies By combining the three DC power supplies on the PB-503A, the user may work with virtually any type of integrated circuit or discrete component. The fixed 5 V / 1A supply has become an industry standard for powering digital IC’s. Integrated circuits which require +5 V, +12 V, and -5 V are easily accommodated by the PB-503A. - Page 12 All leads for both potentiometers are available and uncommitted. BNC Connectors The PB-503A may be connected to other pieces of equipment via two BNC connectors. This allows the use of shielded cable to minimize noise and interference. Switches Two single pole, double throw (SPDT) switches are provided for general switching functions.
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Page 13: Specifications
Global Specialties Specifications All specifications apply to the unit after a temperature stabilization time of 20 minutes over an ambient range of 20°C ± 5°C. Description Specification AC Line Input 115 VAC @ 60Hz or 230 VAC @ 50 Hz (switchable) Fixed DC: +5 VDC 1.0 A max, current limited, Ripple <±5 mV... - Page 14 Global Specialties Description Specifications (Continuation) Connectors (2) BNC - uncommitted Potentiometers F2) 1 kΩ and 10 kΩ - uncommitted Speaker 8 Ω, 0.25 W - uncommitted Removable breadboard Plate (PB-3) with 2520 tie-points with 200 additional bus Breadboards strip tie-points internally connected to power supply outputs and ground...
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Page 15: Checking Out The Pb-503A
Global Specialties Checking out the PB-503A The PB-503A may be checked out for proper operation by making a few simple measurements and connections. Begin by connecting the AC line cord to a suitable receptacle. The AC power indicator should light when the power switch is turned on. Using a DC voltmeter, check for +5 V between the ground terminal and the +5 volt terminal. - Page 16 Global Specialties Checking out the PB-503A (Continuation) Next, move the connections from PB1-1 to PB1-2, the NO point. Now the red LED should be lit when PB1 is not pressed, and the green LED should be lit when PB1 is pressed. Repeat these steps to test PB2.
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Page 17: Breadboarding Techniques
Breadboarding Techniques This section contains information which may prove useful when constructing circuits using the PB-503A. While there are no hard and fast rules for breadboarding, the following tips may save time and trouble. Unless a circuit is being prepared for a demonstration or display, avoid cutting component leads very short. -
Page 18: Warranty And Service Information
Warranty Information Limited Three-Year Warranty Global Specialties (a brand of Cal Test Electronics) warrants these products to be free from defective material or workmanship for a period of 3 years from the date of original purchase. Under this warranty, Global Specialties is limited to repairing the defective device when returned to the factory, shipping charges prepaid, within the warranty period. - Page 19 Global Specialties globalspecialties.com...
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