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555 [2007/03/25 02:31]
n5na
555 [2008/10/29 14:36]
n5na
Line 16: Line 16:
  
  
-===== Mods =====+ 
 + 
 + 
 + 
 +===== 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]]
Line 22: Line 28:
   *[[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 =====
Line 82: Line 90:
 ==== 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

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