Lutz
Ερ: Can it be used as data cable too, or just for charging?
Ερώτηση από Lutz επί 2022-11-08 08:17:28
Lutz Well, first of all the ADF4351 is a sythesizer to just output a waveform from 35-4400 MHz. Therefore, the term "sensitivity" does not apply. The data sheet lists a value of -80dB for spurious contamination of the output signal. For sensitivity you have to look at the front end, the mixer and finally the log-detector. So, I do not understand your question.
2022-05-14 09:34:26 Βοηθητικός (0)Ερ: This board has no pinout diagram to connect to a mini osd. Can you please provide?
Ερώτηση από rparker396 επί 2021-11-12 05:39:49
Lutz I have used this programmer successfully on some ESP boards. The pinout on mine was marked with the silk screen.
2021-11-13 09:30:13 Βοηθητικός (0)Ερ: is this an amp for tx or rx?
Ερώτηση από larrykabo επί 2021-05-13 10:27:51
Lutz Idon't think its meant to drive an antenna, its not a power amp. But then again, its a useful 100x wideband amp for numerous applications. You may want to consider the noise figure though which is not the greatest, but still ...
2021-05-13 10:53:49 Βοηθητικός (0)
Lutz AboutCW, above statement is completely wrong! CW means "Continuous (light) Wave" hence if you apply dc current of 350 mA and have a proper heat sink to dissipate the about 0.75W, then the manufacturer spec sheet guarantees a 0.3W light output. Typically, the efficiency is about 50%. Pulse laser diodes are a completely different story, and indeed they need to be pulsed but with currents in the order of several 10 amps.
Lutz@repsej Thisis nonsense! Pulsing 300mA creates depending on your duty cycle even less power.
Lutz Well the "blip" is there when input frequency matches the LO because it is directly mixed and the log detector wont work at very low (or even zero) frequencies. This simple design does not really resemble a spectrum analyzer. Normally it should be mixed to a narrow band IF that is being detected. Then there would be no blip...
Ερ: Are TS100 tips compatible with the TS80?
Ερώτηση από Lutz επί 2018-08-14 04:15:02
Meerweten No, you can see this in the youtube reviews from EEVBlog.
2018-08-15 10:47:44 Βοηθητικός (1)
Lutz Canyou say anything about the output voltage stability over the entire range?
wujiahui 35M-4.4GHz
2019-09-08 09:02:39 Βοηθητικός (1)
Lutz Yes, but you need collimation optics.
2019-08-19 07:42:42 Βοηθητικός (0)
Lutz DearMario, you find the polarity in the data sheet at: www.frlaserco.com/download/20150610160047/FARL-300M-808-TO56.pdf. The anode ( ) is the middle pin and the cathode (-) is pin 1 to the right when pin 2 (middle) is below pin 1 and 3. This seems a general use pumping laser diode. Be careful it can not tolerate reverse voltages of 2V or greater! Hope this helps Lutz
2019-08-19 07:23:39 Βοηθητικός (1)Σας προσκαλούμε ειλικρινά να εγγραφείτε στο email πρόσκλησης απάντησης!
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gjakal both, charging and data transfer cord line!
2022-11-08 10:45:55 Βοηθητικός (2)