Motorola Mobility interview question

Why 50 ohm, not 75 ohm?

Interview Answers

Anonymous

29 Dec 2016

30 ohms gives better power handling, 75 ohms gives low insertion loss, so 50 ohms is the trade off between the power handling and low insertion loss. It is globally accepted to use connector, cables and equipment for 50 ohms.

Anonymous

11 June 2019

50 ohms performs better (lower loss than 75 ohms), one advantage of 75 ohms is size (cable and connectors are smaller than 50 ohms)

Anonymous

11 June 2019

Please disregard prior answer, best insertion loss case is at 75 ohms, 50 ohms provides the best compromise between low loss and power handling as mentioned above.

Anonymous

28 Feb 2017

Hey there! Glad to know you accepted the offer. Can you please tell me how long they took before making you an offer after your onsite interview?