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linux:rtl-sdr:ba5sba [2020/10/26 20:40] – niziaklinux:rtl-sdr:ba5sba [2020/11/13 08:00] (current) – niziak
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 [[https://imgur.com/gallery/I4oca]] [[https://imgur.com/gallery/I4oca]]
 +
 +Upconverter was nor working, because TCO was mounted incorrectly (rotated). 
 +
 +
 +{{:linux:rtl-sdr:pasted:20201027-201233.png}}
  
 On PCB bottom, there is a place for 8 pin chip. On PCB bottom, there is a place for 8 pin chip.
 Amplifier connected to TV Tuner 28MHz crystal and providing amplified crystal frequency to the same net as VCO. Amplifier connected to TV Tuner 28MHz crystal and providing amplified crystal frequency to the same net as VCO.
  
 +==== S79 ====
 SMD SOT-26 LABEL "S79" SMD SOT-26 LABEL "S79"
     * AS179-92LF: 20 MHz-3.0 GHz GaAs SPDT Switch     * AS179-92LF: 20 MHz-3.0 GHz GaAs SPDT Switch
 +
 +==== C5F ====
 +
 +C5F SMD 6 pin elelement is used as mixer:
 +
 +{{:linux:rtl-sdr:ba5sba_mieszacz1.jpg?direct&400|}}
 +
 +Probably it is sth from UPC family.
 +
 SMD SOT-26, SOT-363 LABEL "C5F": SMD SOT-26, SOT-363 LABEL "C5F":
-    * Silicon Monolithic Microwave Integrated Circuit (MMIC) Z  
-    * RF Mixer UPC8106TB-E3 SOT-363 marking C2D 
-        * BIPOLAR  ANALOG  INTEGRATED  CIRCUITS 
-        * PC8106TB, PC8109TB  
-        * SILICON  MMIC  2.0 GHz  FREQUENCY UP-CONVERTERFOR  CELLULAR/CORDLESS  TELEPHONES 
  
-BGA2022 - MMIC Mixer - nie pasuje +Matching: 
-MAX2671EUT - nie pasuje+  * BGA2022 - MMIC Mixer - nie pasuje 
 +  * MAX2671EUT - nie pasuje
  
-NE612/SA612 - Double-balanced mixer and oscillator - 8pin nie pasuje+  * NE612/SA612 - Double-balanced mixer and oscillator - 8pin nie pasuje
  
-UPC3215TB-E3 (C3H) - wzmacniacz +  * UPC3215TB-E3 (C3H) - wzmacniacz 
-UPC8103T - nie pasuje +  * UPC8103T - nie pasuje 
-UPC8105GR- modulator Q +  * UPC8105GR- modulator Q 
-UPC8106TB - (C2D) ma pin PS, nie pasuje +  * UPC8106TB - (C2D) ma pin PS, nie pasuje 
-UPC8108 - (C2C) to samo co 8103 +  * UPC8108 - (C2C) to samo co 8103 
-UPC8109 +  * UPC8109 
-UPS8112TB (C2K)  +  * UPS8112TB (C2K)  
-UPC814 - wzmacniacz +  * UPC814 - wzmacniacz 
-UPC815 - wzmacniacz +  * UPC815 - wzmacniacz 
-UPC816 - wzmacniacz +  * UPC816 - wzmacniacz 
-UPC8163TB-A (C2Y) - nie pasuje +  * UPC8163TB-A (C2Y) - nie pasuje 
-UPC8167TB - PS pin nie pasuje +  * UPC8167TB - PS pin nie pasuje 
-UPC8172TB-E3-A (C3A) - PS nie pasuje +  * UPC8172TB-E3-A (C3A) - PS nie pasuje 
-UPC8178TB (C3B) -  +  * UPC8178TB (C3B) -  
-UPC8187TB (C3G) +  * UPC8187TB (C3G) 
-UPC2757(8)TB  (C1X, C1Y)+  * UPC2757(8)TB  (C1X, C1Y)