PB-506 Master Lab with Computer Interface
The Masterlab is a unique state of the art Design Breadboard Trainer that is just the right product for those higher level design projects, especially when it is necessary to interface with the computer for various circuit designs, accuracy verification & storing of data.

The model PB-506 offers a many features, including 1MHz Function Generator, Quad Voltage Power Supply, Logic probe with Pulse Capture, DC Digital Voltmeter with four ranges, Square Wave Pulse Generator, Removable Breadboard area, Detachable 25-way computer interface and many other features noted in the Specification Table.

Power:
3-wire AC line input (110, 50-60Hz typical) with power indicator

Power Supplies:
Fixed DC output +5V @ 1.0 A, ripple <5mvV, + V variable DC O/P +1.3V to +15V (150mA @ 1.3v, 500mA @ +15V max), ripple <5mV, -V Variable DC O/P -1.3V to _15V (150 mA @ 1.3V, 500mA @-15V max), ripple <5mV, Also Fixed AC output 12.6VAC center tapped @ 100mA max.

Function Generator:
Frequency Range:0.1Hz to 1MHz in seven ranges
Output Voltage: 0 to +/-10V (20Vp-p), short circuit protected
Output Waveforms: Sine, Square, triangle & TTL
Sine wave: Distortion <3% (10Hz to 100KHz
TTL Pulse: Rise and fall time <25ns
Square Wave: Rise and fall time <0.5us
Tie Points: Sine, Square, Triangle Wave

Logic Indicators:
16 LED’S 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 300 Ohms, 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.
Tie Points: Vcc 1 times 0.6mm socket, probe input: 1 times 0.6mm socket

Debounced Pushbutton (Pulser):
Two push-button operated, open-collector output pulsers, each with one normally-open and one normally-closed output. Each output can sink up to 250mA

Potentiometers:
One 1KOhm, One 10KOhm, all leads available and uncommitted
Tie points: 20 per wiper; 10 per remaining contact

Pulse Generator:
A normal square wave source with 6 ranges covering from 1Hz to 1MHz. Two switch selectable output ranges, one (TTL) of 5Vp-p and one (CMOS) linked to the variable supply voltage and capable of giving any voltage from 0V to 15Vp-p. Ten tie points and provided to connect to external circuits.

Digital Voltmeter:
A switch selectable DC Digital voltmeter with four ranges:
+/-000.0-1999.9V, +/-0.200-1.999V, +/-2.00-19.99V & +/-20.0-199.9V. The input is protected against excess voltage to +/-300V LCD Readout

BNC Connector:
One BNC Connector, shell connected to ground
Tie Points:
1 times 0.6mm socket per input
1 times0.6mm socket for 0V

SPDT Switches:
2 SPDT slide switches, all leads available and uncommitted
Tie points; 10 per wiper, 5 per remaining contact

Logic Switches:
8 Logic switches select logic low or logic high, low level is grounded
High level is switchable between the fixed +5V supply and the +1.3 through +15 supply
Toe Points: 5 per switch

Speaker:
0.25W, 8 Ohm, uncommitted
Tie Points: 1 times 0.6mm socket for + input
1 times 0.6mm socket for – input

BCD To Seven 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 are available on a removable Velcro Breadboard plate, also on the unit are two QT-59b Bus strips. Fifty tie-points fro each +5V, variable +/-15V, and ground if desired

Computer Interface:
A detachable passive interface between a 25 way “D’ CONNECTOR AND A Breadboarding socket. Each pin on the “D” connector is linked to two tie points on one of two IF 16 connectors. In addition there are two common groups of 6 and 8 tie points.

Enclosure:
Steel case

Dimensions:
4.5” (H0 by 15” (W) BY 10.75” (D)

Weight:
10 lbs.

Model Number 104-0506