F2932

High Reliability SP2T RF Switch

18

F2932, Rev 1 05/12/2016

External Supply Setup

Set up a VCC power supply in the voltage range of 2.7 V to 5.5 V and disable the power supply output.

Logic Control Setup

Using the EVKIT to manually set the control logic:

On connector J6 connect a 2-pin shunt from pin 3 (VCC) to pin 4 (VLOGIC). This connection provides the

VCC voltage supply to the Eval Board logic control pull up network. Resistors R5 and R6 form a voltage

divider to set the Vhigh level over the 2.7 V to 5.5 V VCC range for manual logic control.

Connector J6 has 2 logic input pins: EN (pin 5) and VCTL (pin 7). See Table 1 for Logic Truth Table. With

the pullup network enabled (as noted above) these pins can be left open to provide a logic high through

pull up resistors R3 and R4. To set a logic low for EN and VCTL connect 2-pin shunts on J6 from pin 5

(EN) to pin 6 (GND) and from pin 7 (VCTL) to pin 8 (GND).

Note that when using the on board R5 / R6 voltage divider the current draw from the VCC supply will be

higher by approximately VCC / 33k Ω.

Using external control logic:

Pins 3, 4, 6, and 8 of J6 should have no external connection. External logic controls are applied to J6 pin 5

(EN) and pin 7 (VCTL). See Table 1 for Logic Truth Table.

Turn on Procedure

Setup the supplies and Eval Board as noted in the External Supply Setup and Logic Control Setup

sections above.

Connect the preset disabled VCC power supply to the red VCC loop and ground to GND1 or GND2.

Enable the VCC supply.

Set the desired logic setting using J6 pin 5 (EN) and pin 7 (VCTL) to achieve the desired Table 1 setting.

Note that external control logic should not be applied without VCC being present.

Turn off Procedure

If using external control logic for EN and VCTL then set them to a logic low.

Disable the VCC supply.