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The RF input SMA is terminated to a 52.3 - 0.1% Ohms resistor (R1) to match the AD8310 input resistance to 50 Ohms.
It draws under 12 mA at 12 VDC and has an on board 5V voltage regulator.
For low noise operation, a special ultra low-noise 5 V voltage regulator is used. The LP2985AIM5-5.0 is made by Texas Instruments and is optimized for RF circuits. This one powers the AD8310 chip. Its input can be connected to an external power supply of +5.25 min to 16V max via edge connector pin 4.
The AD8310 output voltage is routed to the output connector pin 1 for 24mV/dB measurements.
All of the scaling resistors as described in it's datasheet are in purpose large (of 1206 SMD size), in order to facilitate hand soldering/de-soldering if any change is required..
The PCB dimensions are 30 x 14 mm and a special gold-plated band is provided on the edges to help soldering any shielding material (copper clad board, tin etc).
The prices include 24% Greek VAT applicable only to individual buyers from the EU countries. If you have a valid EU business VAT number or if your country is outside of EU like USA, Canada, Australia etc. you will receive a 24% refund and invoiced with zero VAT.
The PCB Module includes a high-quality ENIG FR4 PCB (30 x 14 mm) that comes with all SMD components factory pre-soldered.
RF capacitors are used for all the circuits. A 52.3 Ohm resistor is used for R1.
One SMA female connector with nut and washer is also supplied.
The shipping is with registered mail (your signature is required upon delivery).
We usually ship the next day and it takes about a week to 10 days for USA or Australia, less than a week for Europe..
Measure LF to 440 MHZ with more than 90 dB of dynamic range and with the speed of a diode demodulator.
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