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