Global Specialties PB-505 - Manual - Manual (Page 8)

8
Logic Switches
(8) Logic Switches select Logic High and Logic Low
Logic Low Level: Ground
Logic High Level: Switchable between +5V and the
variable positive power supplies.
Switches (2) Single Pull Double Throw (SPDT) - uncommitted
Logic Indicators
LEDs: 16 LEDs; (8) red to indicate logic high and (8)
green to indicate logic low
Logic High Threshold: 2.2V (nominal) in TTL/+5V
mode, 70% (nominal) of selected operating voltage in
CMOS mode
Logic Low Threshold: 0.8V (nominal) in TTL/+5V
mode, 30% (nominal) of selected operating voltage in
CMOS mode
Connectors (1) BNC - uncommitted
Potentiometer (2) 1K
Ω and 10KΩ - uncommitted
Speaker 8
Ω, 0.25W - uncommitted
Displays
(2) BCD to 7 Segment Display Circuits include (2) red
LEDs and decoder/driver circuitry
Breadboards
Removable Aluminum Socket Plate (PB-4) with 3360
Tie points with 200 additional bus strip tie points
Weight 10lbs
Dimensions 6.5" x 19" x 11.5"
Specifications subject to change without notice