Deluxe Analog & Digital Design Workstation

The PB-505 Advanced Circuit Design Workstation is a robust electronics trainer suitable for all levels of electronics instruction and design. Utilizing the PB-505, students will learn valuable hands-on breadboarding techniques and build a solid foundation in circuit experimentation, construction and analysis. Experienced designers will find the PB-505 an invaluable instrument, providing a reliable platform for the most advanced and demanding design applications. The PB-505 can be used to construct basic series and parallel circuits to the most complicated multi-stage microcomputer circuits, incorporating the latest in industrial technology.

Listed Price: $ 610.00

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Tuesday, 30 November 1999 00:00

Product Features

  • Large removable breadboard area with 3360 tie point
  • Two open collector pulsers
  • Built-in multi-waveform function generator
  • Quad voltage power supply: Three DC & one low voltage AC
  • Functions with optional electronics trainer boards
  • Built-in logic probe with pulse capture
  • BCD to 7 segment decoder/display
  • 8 channel logic indicators
  • New supplied with new high impact metal case


3-wire AC line input (115V/230V 50-60Hz or 230V 50Hz)-(specify when ordering ) with power indicator.
Fixed DC output
+5VDC @ 1.0A, ripple <5mV
Variable DCO/P
+1.3V to +15V @ 0.5A, ripple <5mV
Variable DCO/P
1.3V to -15V @ 0.5A, ripple <5mV
Fixed AC O/P
12.6 VAC Center tapped @ 100mA
Frequency Range
0.1Hz to 100KHz in six ranges
Output Voltage
0 to +10V (20Vp-p)
Output Impedance
600 ohms (except TTL)
Output current
10 mA max., short circuit protect-ed
Output waveforms
Sine, Square, Triangle, TTL
Sine wave
Distortion < 3% (10Hz to 100KHz)
TTL pulse
Rise and fall time <25ns
Drive 10 TTL loads
Square wave
Rise and fall time <1.5µs
Logic Indicators
16 LEDu2019s 8 red to indicate logic high, 8 green to indicate a logic low.
Logic Probe
Built-in TTL/CMOS compatible logic probe.
Captures fast single shot events and pulse trains.
Input impedance 300Ku2022, overload protection +50VDC, min.. detectable pulse width 100nsec. TTL threshold low +0.8V high +2.25V, 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 25mA.
One 1Ku2022, one 10Ku2022, all leads available and uncommitted.
Two SPDT slide switches, all leads available and uncommitted.
BNC Connectors
Two BNC connectors, pin available and uncommit-ted, 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.
0.25W, 8u2022
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 +5V, variable +15V, and ground if desired.
Steel case
10 lbs (4.5kg)
Overall Dimensions
4.5in (H) x 15in (W) x 10.75in (D) (11.4 x 38.1 x 27.3 cm)
Part Number



Last modified on Wednesday, 25 September 2013 22:54

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