From 4c6e63a16246c850b28ca19bc8001e314e9fe764 Mon Sep 17 00:00:00 2001 From: Carl Ian Gamutan Date: Wed, 10 Dec 2025 10:15:59 +0800 Subject: [PATCH] solutions: ref-designs: Added EVAL-CN0521-EBZ Page Removed some accidental edits. Signed-off-by: Carl Ian Gamutan --- .../eval-cn0521-ebz/block_diagram.png | 3 + .../eval-cn0521-ebz/capture_window.png | 3 + .../eval-cn0521-ebz/cn0521-designsupport.zip | 3 + .../eval-cn0521-ebz/cn0521.png | 3 + .../eval-cn0521-ebz/connecting_of_iio_osc.jpg | 3 + .../eval-cn0521-ebz/index.rst | 228 ++++++++++++++++++ .../eval-cn0521-ebz/primary_side.png | 3 + .../eval-cn0521-ebz/secondary_side.png | 3 + .../eval-cn0521-ebz/test_setup.png | 3 + 9 files changed, 252 insertions(+) create mode 100644 docs/solutions/reference-designs/eval-cn0521-ebz/block_diagram.png create mode 100644 docs/solutions/reference-designs/eval-cn0521-ebz/capture_window.png create mode 100644 docs/solutions/reference-designs/eval-cn0521-ebz/cn0521-designsupport.zip create mode 100644 docs/solutions/reference-designs/eval-cn0521-ebz/cn0521.png create mode 100644 docs/solutions/reference-designs/eval-cn0521-ebz/connecting_of_iio_osc.jpg create mode 100644 docs/solutions/reference-designs/eval-cn0521-ebz/index.rst create mode 100644 docs/solutions/reference-designs/eval-cn0521-ebz/primary_side.png create mode 100644 docs/solutions/reference-designs/eval-cn0521-ebz/secondary_side.png create mode 100644 docs/solutions/reference-designs/eval-cn0521-ebz/test_setup.png diff --git a/docs/solutions/reference-designs/eval-cn0521-ebz/block_diagram.png b/docs/solutions/reference-designs/eval-cn0521-ebz/block_diagram.png new file mode 100644 index 000000000..54ea053b6 --- /dev/null +++ b/docs/solutions/reference-designs/eval-cn0521-ebz/block_diagram.png @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:946bf9488bace7be34588fab4d62cc1771782cdf1361c56b12eddd98947bd7e0 +size 78000 diff --git a/docs/solutions/reference-designs/eval-cn0521-ebz/capture_window.png b/docs/solutions/reference-designs/eval-cn0521-ebz/capture_window.png new file mode 100644 index 000000000..f5804483d --- /dev/null +++ b/docs/solutions/reference-designs/eval-cn0521-ebz/capture_window.png @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:b4193e1c57340e551efaaed17c6b5d0b4c9a5c0213455ec006924ff405a5e59b +size 111063 diff --git a/docs/solutions/reference-designs/eval-cn0521-ebz/cn0521-designsupport.zip b/docs/solutions/reference-designs/eval-cn0521-ebz/cn0521-designsupport.zip new file mode 100644 index 000000000..5ed68464d --- /dev/null +++ b/docs/solutions/reference-designs/eval-cn0521-ebz/cn0521-designsupport.zip @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:e2460e09d3d08fb7a1f6f13a25fff148a99ff428b486a6c490ba4c7cd5d669e6 +size 3791091 diff --git a/docs/solutions/reference-designs/eval-cn0521-ebz/cn0521.png b/docs/solutions/reference-designs/eval-cn0521-ebz/cn0521.png new file mode 100644 index 000000000..607dea6f5 --- /dev/null +++ b/docs/solutions/reference-designs/eval-cn0521-ebz/cn0521.png @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:66c805b6ddc5cf7828759ac610a71aa3ccdff4a7d0e4e1252cf7689018ac50f6 +size 204565 diff --git a/docs/solutions/reference-designs/eval-cn0521-ebz/connecting_of_iio_osc.jpg b/docs/solutions/reference-designs/eval-cn0521-ebz/connecting_of_iio_osc.jpg new file mode 100644 index 000000000..f0912b2fe --- /dev/null +++ b/docs/solutions/reference-designs/eval-cn0521-ebz/connecting_of_iio_osc.jpg @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:14406776f911812e5278ff4b2142f71b4afee6fbaa798137d58698a3b26adf3b +size 61019 diff --git a/docs/solutions/reference-designs/eval-cn0521-ebz/index.rst b/docs/solutions/reference-designs/eval-cn0521-ebz/index.rst new file mode 100644 index 000000000..919ec63b5 --- /dev/null +++ b/docs/solutions/reference-designs/eval-cn0521-ebz/index.rst @@ -0,0 +1,228 @@ +.. _eval-cn0521-ebz: + +EVAL-CN0521-EBZ +=============== + +USB-Powered, 2.4 GHz RF Low Noise Amplifier Receiver with Overpower Protection Circuit +"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" + +Overview +-------- + +The :adi:`EVAL-CN0521-EBZ ` is a USB-powered, RF low noise amplifier (LNA) +that is optimized for receiving signal chains in the 2.4GHz ISM band. +Using two :adi:`HMC639` amplifiers cascaded together, the design provides +a gain of 21dB and return losses of more than 10dB throughout its RF +band of operation. + +The board includes a high speed overpower cutoff that protects sensitive +downstream equipment connected to the receiver system. The receiver system +also automatically turns back on when the RF power level drops within the +acceptable range. + +Designed to be used with the :adi:`ADALM-PLUTO`, +the :adi:`EVAL-CN0521-EBZ ` features a small form factor, +with dimensions of 25.4mm×49.6mm×1.5748mm (PCB only). +The RF input and output are designed with a 50Ω impedance, enabling direct +connection between the circuit and standard 50Ω systems. + +A micro-USB connector is used for the input power, allowing the evaluation +board to use most 5V wall wart power supplies available in the market. + +.. figure:: cn0521.png + :align: center + + EVAL-CN0521-EBZ Reference Design Board + +The :adi:`EVAL-CN0521-EBZ ` features the :adi:`HMC639`, which is a GaAs, +pHEMT, high linearity, low noise amplifier operating between 0.2GHz to +4GHz for various applications such as fixed-wireless, cellular, and +CATV. This low noise RF amplifier does not require any external matching +circuitry to operate. + +.. figure:: block_diagram.png + :align: center + + EVAL-CN0521-EBZ Simplified Block Diagram + +Components +---------- + +.. figure:: primary_side.png + :align: center + + CN0521 Primary Side + +.. figure:: secondary_side.png + :align: center + + CN0521 Secondary Side + +SMA Connectors +~~~~~~~~~~~~~~ + +The SMA connectors are used for the RF input and output connections. + +================================= ==================== =================== +RF Port Reference Designator Description +================================= ==================== =================== +RF Input (SMA male connector) J1 Connect to a radio + or piece of RF + equipment +RF Output (SMA female connector) J2 Connect to an + antenna +================================= ==================== =================== + +LED Indicators +~~~~~~~~~~~~~~ + +The reference design uses two LEDs to indicate its current status: + +============= ==================== ============================================== +RF Port Reference Designator Description +============= ==================== ============================================== +**Green LED** (DS2) Indicates that power is present on the board +**Red LED** (DS1) Indicates when an overtemperature event + occurs +============= ==================== ============================================== + +This table shows the board status when the various LEDs are ON/OFF. + +========= ======= ====================================== +Green LED Red LED Board Status +========= ======= ====================================== +OFF OFF No Power +ON Off Normal RF Operation +ON ON Overpower Event (RF Output Attenuated) +========= ======= ====================================== + +Power Supply Connector +~~~~~~~~~~~~~~~~~~~~~~ + +- **P1** is the micro-USB port used to provide 5V power to the board. + +Getting Started +--------------- + +Required Equipment +~~~~~~~~~~~~~~~~~~ + +Hardware +^^^^^^^^ + +- :adi:`EVAL-CN0521-EBZ` +- :adi:`ADALM-PLUTO` +- Two (2) micro-USB power adaptor or micro-USB to USB cable for powering + :adi:`ADALM-PLUTO` and :adi:`EVAL-CN0521-EBZ ` +- One (1) SMA male-to-male cable + +Firmware +^^^^^^^^ + +For the step-by-step procedure on how to update the Pluto Firmware, you +can use this +:dokuwiki:`user guide link `. + +The latest firmware version for the **ADALM-PLUTO** can be found here: + +.. admonition:: Download + + ADALM-PLUTO Firmware + + :git-repo:`Pluto version latest release ` + +ADALM-PLUTO Preparation +~~~~~~~~~~~~~~~~~~~~~~~ + +Follow the step-by-step process on how to configure the ADALM-PLUTO for +proper operation by referring to this +:dokuwiki:`link `. + +Test Setup +~~~~~~~~~~ + +Normal Operation +^^^^^^^^^^^^^^^^ + +.. figure:: test_setup.png + :align: center + + EVAL-CN0521-EBZ Test Setup + + +#. Connect directly the **Rx port** of :adi:`ADALM-PLUTO` to J2 of the + :adi:`EVAL-CN0521-EBZ `. +#. Connect the **Tx port** of the :adi:`ADALM-PLUTO` to J1 of the + :adi:`EVAL-CN0521-EBZ ` using a male-to-male SMA cable. +#. Connect **P1** (micro-USB) connector of the :adi:`EVAL-CN0521-EBZ` + into a PC USB port or 5 V USB charger. +#. Connect the micro-USB to USB cable to a PC/laptop and the other end + to the :adi:`ADALM-PLUTO` data port. +#. The DS2 LED of :adi:`EVAL-CN0521-EBZ ` will automatically turn on, + indicating the board is powered on and is in operation. + +IIO Oscilloscope +~~~~~~~~~~~~~~~~ + +.. important:: + + Make sure to download/update to the latest version of IIO Oscilloscope + found on this + :git-repo:`link `. + + - Once done with the installation or an update of the latest IIO + Oscilloscope, open the application. The user needs to supply a URI, + which will be used in the context creation of the IIO Oscilloscope. + The instructions can be seen in the previous section. + - Press Refresh to display available IIO devices. Once the + :adi:`ADALM-PLUTO` appeared, press connect. + + .. figure:: connecting_of_iio_osc.jpg + :align: center + + IIO Oscilloscope Configuration + + - On the AD936x tab, refer to this + :dokuwiki:`link ` + for proper configuration of the AD936x. + + - Using the capture window, you can see the RF output of the + :adi:`EVAL-CN0521-EBZ ` in the frequency domain. + + .. figure:: capture_window.png + :align: center + + CN0521 RF Output + +More Information and Useful Links +--------------------------------- + +- :adi:`CN0521 Product Page ` +- :adi:`HMC639 Product Page ` +- :adi:`ADG901 Product Page ` +- :adi:`ADL5904 Product Page ` +- :adi:`LT8335 Product Page ` +- :adi:`LT3042 Product Page ` +- :adi:`ADM7170 Product Page ` +- :adi:`LTC6991 Product Page ` +- :ref:`ADALM-PLUTO Overview ` +- :dokuwiki:`Amplifiers for RF Transmission ` +- :dokuwiki:`RF Amplifier Considerations ` + +Schematic, PCB Layout, Bill of Materials +---------------------------------------- + +.. admonition:: Download + + :adi:`EVAL-CN0521-EBZ Design & Integration Files ` + + - Schematics + - PCB Layout + - Bill of Materials + - Allegro Project + +Help and Support +---------------- + +For questions and more information, please visit the :ez:`/` community or +contact your local ADI representative. diff --git a/docs/solutions/reference-designs/eval-cn0521-ebz/primary_side.png b/docs/solutions/reference-designs/eval-cn0521-ebz/primary_side.png new file mode 100644 index 000000000..9742cb970 --- /dev/null +++ b/docs/solutions/reference-designs/eval-cn0521-ebz/primary_side.png @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:0d0e41ce3732006f517ea03f39453f1557f93ab2e304fbfd76a6401fad78b3bc +size 344680 diff --git a/docs/solutions/reference-designs/eval-cn0521-ebz/secondary_side.png b/docs/solutions/reference-designs/eval-cn0521-ebz/secondary_side.png new file mode 100644 index 000000000..dda804d9c --- /dev/null +++ b/docs/solutions/reference-designs/eval-cn0521-ebz/secondary_side.png @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:0d080e9bf8e591264f104d634778406fa8f9199be191ecf08e7536839ba820f2 +size 240962 diff --git a/docs/solutions/reference-designs/eval-cn0521-ebz/test_setup.png b/docs/solutions/reference-designs/eval-cn0521-ebz/test_setup.png new file mode 100644 index 000000000..594e8a57f --- /dev/null +++ b/docs/solutions/reference-designs/eval-cn0521-ebz/test_setup.png @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:4ba8d22a0df664b0871857ef647ce9f9857cff96c8133798e7717fa81ad21577 +size 194379