On Fri, Sep 9, 2016 at 9:12 AM, Marcus D. Leech <mle...@ripnet.com> wrote:
> On 09/09/2016 11:59 AM, Kevin Reid wrote: > >> If you are only transmitting, however, there is a theoretically simpler >> solution: let the HackRF remain in transmit mode, and just transmit zeros >> when you do not have a packet. This will ideally produce no RF output, but >> in practice there will be a small amount. It might be adequate. >> > > Along with dropping the baseband power to 0, drop the TX power to 0 as > well--does HackRF have variable TX power control? > > Along with doing that, if possible, insert an analog filter on the TX > output, and when you're "idling" the TX, tune it outside the passband > of the analog filter. > Thanks for the additional advice. FYI, according to gr-osmosdr, the HackRF has two transmit gain stages, "IF" gain from 0-47 dB and the on-or-off 14 dB amplifier.
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