I used the HMC311ST89 to amplify the signal which speed is 5Gbps, why its output is negative ,like the input signal is "10011",after amplifying, the output is "01100", is there any other amplifier output positive?
HMC311ST89
Production
The HMC311ST89(E) is a GaAs InGaP Heterojunction Bipolar Transistor (HBT) Gain Block MMIC SMT DC to 6 GHz amplifier. Packaged in an industry standard SOT89E...
Datasheet
HMC311ST89 on Analog.com
I used the HMC311ST89 to amplify the signal which speed is 5Gbps, why its output is negative ,like the input signal is "10011",after amplifying, the output is "01100", is there any other amplifier output positive?