Deluxe Analog & Digital Design Workstation

The PB-505 is a robust electronics trainer suitable for all levels of electronics instruction and design. 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.

Experienced designers will find the PB-505 an invaluable instrument, providing a reliable platform for the most advanced and demanding design applications.

Listed Price: $ 610.00

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Tuesday, 30 November 1999 00:00

Product Features

  • 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 7 segment decoder/display
  • 8 Logic indicators
  • High impact metal case
  • Three-year warranty


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 Ω (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 kΩ
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
One 1 kΩ, one 10 kΩ
All leads available and uncommitted
Two SPDT slide-switches
BNC Connectors
Two BNC connectors, pin available and uncommitted, shell connected to ground
Logic Switches
8 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
0.25 W, 8 Ω
BCD to 7 Segment Display
2 BCD to 7 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
Steel case
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)



Last modified on Wednesday, 17 September 2014 21:51

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