Differences
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555 [2007/05/21 00:42] 127.0.0.1 external edit |
555 [2008/08/30 03:12] n5na |
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| *[[http://www.arrl.org/members-only/prodrev/pdf/pr9312.pdf|ARRL]] (Must be an ARRL member and logged in to view.) | *[[http://www.arrl.org/members-only/prodrev/pdf/pr9312.pdf|ARRL]] (Must be an ARRL member and logged in to view.) | ||
| *[[http://www.eham.net/reviews/detail/142|eHam]] | *[[http://www.eham.net/reviews/detail/142|eHam]] | ||
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| ===== Mods & Tips ===== | ===== Mods & Tips ===== | ||
| *[[555rfgain|Add RF Gain Control Mod]] | *[[555rfgain|Add RF Gain Control Mod]] | ||
| + | *[[555rfgain2|Another RF Gain Control Mod]] | ||
| *[[555hiss|Hiss Mod]] | *[[555hiss|Hiss Mod]] | ||
| *[[555drift|Drift Mod]] | *[[555drift|Drift Mod]] | ||
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| ==== Receiver ==== | ==== Receiver ==== | ||
| ***SENSITIVITY:** .35 uV typical for 10 dB S+N/N @ 2.5 KHz bandwidth. | ***SENSITIVITY:** .35 uV typical for 10 dB S+N/N @ 2.5 KHz bandwidth. | ||
| - | ***SELECTIVITY:** "Jones" 9 pole crystal filter front panel adjustable 500 Hz to 2.5 KHz (Patent #5051711). | + | ***SELECTIVITY:** [[jonesfilter|"Jones"]] 9 pole crystal filter front panel adjustable 500 Hz to 2.5 KHz (Patent #5051711). |
| ***DYNAMIC RANGE:** 85 dB @ 2.4 KHz bandwidth at 20 KHz spacing. | ***DYNAMIC RANGE:** 85 dB @ 2.4 KHz bandwidth at 20 KHz spacing. | ||
| ***THIRD ORDER INTERCEPT:** +1 dBm | ***THIRD ORDER INTERCEPT:** +1 dBm | ||
