The HMC344 d/s states that the TTL/CMOS Control Voltages are High = "-5 to 4.2Vdc @ 5 uA Typ." I'm assuming that's -5Vdc to -4.2Vdc, correct?
Yes, the logic high level for the HMC344's control inputs is from -5V to -4.2V. The negative sign for -4.2V was omitted in datasheet.
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