What does this mean?Highlights
Quality
Well constructed and works great - even when i messed up and only applied a 5v supply initially.
Basic input and output circuitry, ic, and regulator on one nicely laid out board.
The stated range of -74 dbm to +18 dbm gives a dynamic range of 92 dbm; the stated output range of 0 to 2.
Checking the description in the amazon ad, it says 6 to 15v (it has a 78l05 regulator on-board as shown in the first picture.
Price
For the cost and effort, this pcb is a quick-and-dirty way to make an el-cheapo signal strength meter.
Overview
- How are reviewers describing this item?
signal and stated. - Our engine has profiled the reviewer patterns and has determined that there is minimal deception involved.
- Our engine has discovered that over 90% high quality reviews are present.
- This product had a total of 12 reviews as of our last analysis date on Jan 11 2025.
Helpful InsightsBETA
Posted by a reviewer on Amazon
I did not have a shielded housing but the plastic housing i used see photo worked in the sense that the pcb itself did not seem to pick up any rf signal other than through the input connector
Posted by a reviewer on Amazon
With no external signals there was an offset on the output of about 170 mv which would translate to 7db
Posted by a reviewer on Amazon
The offset is typical of log amps and for this device corresponds to an intercept of 82 dbm
Posted by a reviewer on Amazon
The stated range of 74 dbm to 18 dbm gives a dynamic range of 92 dbm the stated output range of 0 to 2
Posted by a reviewer on Amazon
With a little extra circuitry the offset could be tuned out
Posted by a reviewer on Amazon
Inside my housing is a 9v battery powering the unit
Posted by a reviewer on Amazon
The output is connected to an rca phono jack which i then connected through a harbor freight dvm
Review Count History
Price History
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