MCM Electronics

Deluxe Analog & Digital Design Workstation By Global Specialties (PB-505) MCM Part #73-1440

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The PB-505 is a robust electronics trainer engineered for electronics instruction and design and is ideal for analog, digital, and microprocessor circuits. Students will learn valuable hands-on breadboarding techniques and build a solid foundation in circuit experimentation, construction, and analysis. The PB-505 can be used to construct basic series and parallel circuits or the most complicated multi-stage microcomputer circuits, incorporating new trends in industrial technology.

Specifications Top

  • Large removable breadboard area with 3360 tie-points
  • Two open-collector pulsers
  • Built-in multi-waveform function generator
  • Quad voltage power supply: Three DC & one low voltage AC
  • Built-in logic probe with pulse capture
  • BCD to seven segment decoder/display
  • Eight logic indicators
  • High-impact metal case

Power 3-wire AC line input (120/240 V, 50/60 Hz) with power indicator
Fixed DC Output +5 VDC @ 1.0 A, ripple <5 mV
Variable DC Output +1.3 V to +15 V @ 0.5 A, ripple <5 mV
Variable DC Output -1.3 V to -15 V @ 0.5 A, ripple <5 mV
Fixed AC Output 12.6 VAC center tapped @ 100 mA
Frequency Range 0.1 Hz to 100 kHz in six ranges
Function Generator Output Voltage 0 to +10 V (20 Vpp)
Function Generator Output Impedance 600 O (except TTL)
Function Generator Output Current 10 mA max, short circuit protected
Function Generator Output Waveforms Sine, square, triangle
Sine Wave Distortion < 3% (10 Hz to 100 kHz)
TTL Pulse Rise and fall time <25 ns; Drive 10 TTL loads
Square Wave Rise and fall time <1.5 µs
Logic Indicators 16 LEDs: 8 red to indicate logic high, 8 green to indicate logic low
Logic Probe Built-in TTL/CMOS compatible logic probe; Captures fast single-shot events and pulse trains; Input impedance: 300 kO ; Overload Protection: +50 VDC; Minimum Detectable Pulse Width: 100 ns ; TTL Threshold Low: +0.8 V, High: +2.25 V; CMOS Threshold Low: +30%Vcc, High: +70%Vcc ; Memory mode latches on first transition and LED remains on until probe is reset
Debounced Push-Button (Pulsers) Two push-button operated, open-collector output pulsers, each with one normally-open and one normally-closed output; Each output can sink up to 25 mA
Potentiometers One 1 kO, one 10 kO; All leads available and uncommitted
Switches Two SPDT slide-switches
BNC Connectors Two BNC connectors, pin available and uncommitted, shell connected to ground
Logic Switches Eight individual SPDT logic switches, one side of all eight switches connected and switchable to +5V or ground, other side of all eight switches separate, and uncommitted
Speaker 0.25 W, 8 O
BCD to 7 Segment Display Two BCD to seven segment display circuits are provided including decoder/driver circuitry
Tie-points: 5 per each unit
Breadboarding Area A total of 3360 uncommitted tie-points available on velcro breadboard plate; Two QT-59B bus strips; Fifty tie-points for each +5 V, variable +15 V, and ground if desired
Enclosure Steel case
Weight 10 lbs (4.5 kg)
Overall Dimensions 4.5 in (H) x 15 in (W) x 10.75 in (D) (11.4 x 38.1 x 27.3 cm)
Part Numbers
MCM Part #:73-1440
Global Specialties Part #:PB-505
Package Specifications & Dimensions
Weight:13 lbs.
Warranty:90 days
Need to Return?
Length:20 in.
Width:13 in.
Height:8 in.
Shipping Information
Extra Shipping Charge:No
Drop Ship:No

Product Reviews Top

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