KCC's Quizzes AQQ305 about a mutual exponentiation equation
1. Quote of the month: "A train station is where a train stops. A bus station is where a bus stops. I have a work station on my desk, so..." - unknown
2. Quiz AQQ305 about finding a mutual exponential equation
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September Monthly Blog Quiz! Read the blog, take the quiz, and you could win a gift card
Quiz: How Well Do You Know Adaptive Power Switching?
Is your I/O module overheating? The AD74416H's Adaptive Power Switching (APS) can cut heat dissipation by up to 40% — but how well do you really understand how it works?
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LTC5507
Production
The LTC5507 is an RF power detector for applications operating from 100kHz to 1000MHz. The input frequency range is determined by an external capacitor...
Datasheet
LTC5507 on Analog.com
Datasheet says the output can drive 2mA. It seems that is only for sourcing current, i.e the load is tied to ground. I want to drive an opamp summing circuit, so the load on the LTC5507 is a 4K resistor tied to midrail, 2.5V. The supply is 5V. The output rises to about 1.7V with no input signal.
Apologies for the long delay in responding to you. I was not able to get any definitive information about the output structure of the device but my sense is that the output is not capable of sinking much current. If you increase the current to 8K and see that the output voltage drops, then I think that you have your answer. By the way, I did some testing on the LTSpice model and concluded that it has an ideal output. I loaded with with small values of resitance connected to 2.5V and to ground and in all cases, it gave the same voltage. My conclusion from that is that it's modelled as an ideal low impedance output that can sink and source lots of current. So it's no use to us for this case.
