Explanation of TTL and LVTTL about Keylink*s RF power amplifiers

Click: 384﹛﹛Date: 2020-10-16﹛﹛Come from: Aimer Liu

 As we know, transistor每transistor logic (TTL) is a logic family built from bipolar junction transistors. Its name signifies that transistors perform both the logic function (the first "transistor") and the amplifying function (the second "transistor"), as opposed to resistor每transistor logic (RTL) or diode每transistor logic (DTL).


 There is a period of gap between 2.4 and 5 volts, which is not conducive to improving noise tolerance, but also increases system power consumption and affects speed. So the latter part gets cut off. That's LVTTL.


 In TTL "High" mode, Keylink's RF broadband power amplifier KB0525M47A can work within the voltage range of both TTL(2V min to 5V max) and LVTTL(2.5V min to 3.3V max). During normal enable (by default), our broadband power amplifier can use TTL logic high voltage to turn off the amplifier. In Keylink's microwave power amplifiers, the minimum "High" level that can cover both TTL and LVTTL is 2 volts, and the maximum "Low" level that can cover both TTL and LVTTL is 0.7 volts.


 If there is any interest about our products, please don*t hesitate to contact us via info@keylinkmw.com.

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