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555 [2007/03/25 02:31] n5na |
555 [2008/10/29 14:36] n5na |
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- | ===== Mods ===== | + | |
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+ | ===== Mods & Tips ===== | ||
+ | *[[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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*[[555dsp|DSP Audio Filter Mod]] | *[[555dsp|DSP Audio Filter Mod]] | ||
*[[555qsk|QSK Mod]] | *[[555qsk|QSK Mod]] | ||
+ | *[[jonesfilter|Jones Filter]] | ||
+ | *[[555lamprepl|Lamp Replacement]] | ||
+ | *[[555digmeter|Solid State Replacement Meter]] | ||
===== Related Links ===== | ===== Related Links ===== | ||
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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 |