开云体育

Hi Herb, Good thing those banana adapters are OK for DC, I will opt for that method. I will need to measure some coils for end fed antennas and a coil in a trap, lets see what I can do. At 1MHz I

Hi DiSlord, Flashed your latest firmware 0.8.4.4, no problems sofar. Please find attached my results measuring the 50 Ohms standard , 50 Ohms standard paralleled by 50 Ohms and CH1, after calibration.

There must be something else as I cannot reproduce your results. Now, I am using a NanoVNA-F, but I can't see where that matters. Trying to measure a 10 mH RF Choke, display bounces around from 190pH

Dick 9:58am #12913 What settings did you use to get these measurements ? ===================================== Dick, No special settings. Just turned off the CH1 traces, set the frequency sweep from

What settings did you use to get these measurements ? Tnx, Dick, W1KSZ ________________________________ Sent: Sunday, April 26, 2020 8:33 AM To: [email protected] <[email protected]>

Luis, Most commercial LCR meters for less than $200 only measure inductance or capacitance below 1 MHz. Manufacturers specify the values of their inductors or capacitors at a specific test frequency,

I use XJW01 digital bridge 0.3% for measure R, L, C Measure C: 0,1 pF–10000 mF Measure L: 0,01 uH–1000 H Measure R: 0,0002 Ом–9,999 МОм If calibrate on good calibration standarts allow get

Hello team, Trying to understand a good method of measuring the inductance - lets say around 110uH - of a coil. Is the L/C method the best? Is there any direct method of measuring the L? Also, for L/C

You don't need to add a switch, just use the same jumper as I used which is the method the H4 uses and you only need to hold down the jog switch when turning on the Nano.?

Hugen! Go ahead! Design on max2870, adf 4355

Did so. It has become convenient to enter programming mode.

The earlier comments about mismatch and cable length are probably correct. You said you checked the SWR at the connection to the transmitter and it was correct. Now take the MFJ out of the circuit and

I am not the best source for info regarding duplexor tuning but I have done over 30 of them for hams in my local area. I'm not really aware of ANY of the cheap spectrum analyzer-tracking generator

Latest version reintroduces 300MHz threshold crossover anomaly. I did not attempt to correct thru threshold adjustment. Otherwise, seems stable. Calibration and various device tests were successful.

Good, ok i change 96kHz mode for AIC ADC (now increased external freq), possible it help (on my H4 it also give good result) Also i change IF to 8kHz (in my test got less noise) Additional not use

On Sat, Apr 25, 2020 at 12:32 PM, Peter Finch wrote: ... This latest firmware version with reduced DAC sample rate is stable on my H4. As an aside, there is no harmonic anomaly around 300MHz. Plots

This latest firmware version with reduced DAC sample rate is stable on my H4. - I ran it on a short connector for 20 minutes with no error drift over time in the display. - I was able to successfully

I'd buy one in a heartbeat!

Awesome, I will see if some of the locals are interested. Thanks The PCB+partial PCBA would cost around ~$50 for 2pcs, and only slightly

On Sat, Apr 25, 2020 at 09:11 AM, Gabriel Tenma White wrote: Right now my biggest task on the firmware is adding moonrunes support which a lot of their domestic users are asking for.