Known issue when using HIF with firmware 1.6.7
It is a known issue that running firmware version 1.6.7 will cause HIF malfuction. It is recommended to use a lower version firmware such as ThinkRF R5500/R...
Wed, Feb 15, 2023 at 6:15 PM
AppNote: Using ThinkRF R55x0 With HIF Output
More product documents are available under the document folder. This application note gives an overview of the R5500's HIF technology and how to us...
Thu, Mar 11, 2021 at 9:46 AM
How do I use HIF function on ThinkRF R5500 Spectrum Analyzer?如何使用R5500的HIF功能?
This is a English/Chinese languages version. This FAQ will walk you through how to use ThinkRF R5500 HIF function. 此文将简单阐述如何使用ThinkRF R5500的HIF功能 Run...
Tue, Dec 4, 2018 at 1:34 PM
Is R5500/R5550 HIF output calibrated?
HIF output is not calibrated or characterized during production. Users need to apply gain/loss to compensate for the amplitude difference.   ThinkRF provi...
Thu, Mar 11, 2021 at 9:29 AM
Is it normal to see signal coming out of the HIF port?
For regular(non-WBIQ) units, Under ZIF (zero IF) mode, there is 100MHz bandwidth comes out of HIF output port. Users may see HIF output when digitizer mode ...
Fri, Mar 12, 2021 at 9:08 PM
What is the HIF frequency output mapping and frequency inversion configuration?
HIF frequency mapping and inversion are dependent on the freq plan, not calibration.  So the HIF mapping and inversion will be the same as the freq plan.
Tue, Feb 21, 2023 at 4:13 PM