[hpsdr] 7000dle manual calibration procedure

[Scott Traurig]

Dick,

The adjustment is highly non-linear. See the following link:

https://apache-labs.com/community/viewtopic.php?f=17&t=2471&p=3040

73,

Scott


On Wed, Nov 28, 2018 at 10:42 PM Dick Bingham <dick.bingham at gmail.com>
wrote:

>
> Some of this appears to contradict itself. See highlighted below ===>
> ( https://apache-labs.com/downloadsfiles/1024_ANAN-7000DLE-User-Guide.pdf
> )
>
> Use the following manual calibration procedure to properly set/calibrate
> your ANAN-
>   7000DLE power output into a dummy load:
>
> 1. Connect a suitable Dummy Load to ANT1 BNC port on the back panel of the
>     Transceiver.
> 2. Click on menu selection, Setup, Transmit.
> 3. *Set “TUNE”, Power % to 100 *
> 4. Select “FWD Pwr” from the “TX Meter” upper right corner of the console.
> 5. Enable the Antenna window by clicking on Setup ---> General --->
> ANT/FILTERS
>     tab to access the antenna settings.
> 6. Select the Transmit antenna ANT1 where you connected the Dummy Load.
> 7. Select the PA settings TAB on the Setup menu window. The PA Settings
> TAB allows
>     you to set [calibrate] the ANAN-7000DLE Power Amplifier gain by band
> [dB –
>     Power Output per Band] for each of the available Ham Bands. There is
> an up/down
>     gain control for each band, which regulates the Power Amplifier output
> for that
>     band. As you increase the Gain By Band, power output will decrease.
> Conversely,
>     decreasing Gain By Band will increase Power Amplifier output. Maximum
> power
>     output per band can be reached at the lowest value in this menu.
> 8. Select one of the bands on the PA settings TAB.
> 9. Ensure you have the *Setup ---> Transmit tab ---> Tune control set to
> 10* and a
>     Dummy Load connected to the selected antenna port on the ANT/FILTERS
> setup
>     tab.
> 10. Press “TUN” [Tune] on the upper left side of the console.
> 11. Adjust the band gain value for a MAXIMUM TX Meter “FWD PWR” output
> reading
>      of 10 watts while using your suitable Dummy Load. Do NOT use an
> Antenna for
>      this calibration adjustment.
> 12. Press “TUN” button again to stop transmitting.
> ================================================================
> After following this procedure, my output power seems rather low when I
> slide the "Drive Level" up toward 100-watts. The two operations highlighted
> in red above seem wrong to me.
>
> Clarifications appreciated !
>
> 73  Dick/w7wkr
>
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