Analog Switch (NL506)

Analog Switch (NL506)

This analog device contains a single pole change-over switch, the state of which is controlled by a logic signal.

  • Signal can be generated either externally or by the internal Flip-Flop that can be toggled by a logic input
  • Front panel switch allows direct selection of the switch state
  • Switch state is indicated by an LED
  • Switch is bi-directional

Item# Description U.S. List Price Quantity
65-0255 NL506 Analog Switch
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The NL506 Analog Switch contains a single pole change-over switch, the state of which is controlled by a logic signal. This signal can be generated externally or by the internal Flip-Flop that can be toggled by a logic input. A front panel switch allows direct selection of the switch state which is indicated by an LED. The switch is bi-directional allowing it to be used as a 1-input 2-output or a 2-input 1-output device. Also, as the switch is analog; it can handle signals up to ± 15 volts as well as being of low enough impedance to handle TTL signals.

Note: The analog switch is robust but has a current limit, especially when the Neurolog power supply is off. Only signals originating from within the same NL900 should be coupled to the NL506.

Specifications
Analog Switch
Range ± 15 V
Impedance Per Socket 1 MO
ON Resistance < 35 O
OFF Leakage < 50 nA
Switching Time < 200 nsec
Break Before Make Delay < 10 nsec
Indicator Amber LED indicates switch position
Switches SET/-/RESET toggle forces selection of analog switch; also presets internal Flip-Flop; in mid position, IN/FF switch selects control signal for analog switch
Flip-Flop Is preset by SET/-/RESET toggle switch and toggled by negative (-ve) going edge of logic input signal
Input Allowed Signal ± 15 V max.
Input Logic Threshold +1.4 V approx. (suits TTL)
Input Impedance 10 kO approx.