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linux:rtl-sdr:ba5sba [2020/10/24 13:59] niziak |
linux:rtl-sdr:ba5sba [2020/11/13 08:00] (current) niziak |
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| ====== BA5SBA SDR-RTL ====== | ====== BA5SBA SDR-RTL ====== | ||
| + | BA5SBA | ||
| + | BA - China | ||
| It is adapter board to use with generic USB TV tuner. | It is adapter board to use with generic USB TV tuner. | ||
| Line 13: | Line 15: | ||
| [[https://imgur.com/gallery/I4oca]] | [[https://imgur.com/gallery/I4oca]] | ||
| - | SMD SOT-23-6 LABEL "S79" | + | 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. | ||
| + | Amplifier connected to TV Tuner 28MHz crystal and providing amplified crystal frequency to the same net as VCO. | ||
| + | |||
| + | ==== 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 | ||
| - | SMD SOT-23-6 LABEL "C5F": | + | |
| - | * | + | ==== 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": | ||
| + | |||
| + | Matching: | ||
| + | * BGA2022 - MMIC Mixer - nie pasuje | ||
| + | * MAX2671EUT - nie pasuje | ||
| + | |||
| + | * NE612/SA612 - Double-balanced mixer and oscillator - 8pin nie pasuje | ||
| + | |||
| + | * UPC3215TB-E3 (C3H) - wzmacniacz | ||
| + | * UPC8103T - nie pasuje | ||
| + | * UPC8105GR- modulator Q | ||
| + | * UPC8106TB - (C2D) ma pin PS, nie pasuje | ||
| + | * UPC8108 - (C2C) to samo co 8103 | ||
| + | * UPC8109 | ||
| + | * UPS8112TB (C2K) | ||
| + | * UPC814 - wzmacniacz | ||
| + | * UPC815 - wzmacniacz | ||
| + | * UPC816 - wzmacniacz | ||
| + | * UPC8163TB-A (C2Y) - nie pasuje | ||
| + | * UPC8167TB - PS pin nie pasuje | ||
| + | * UPC8172TB-E3-A (C3A) - PS nie pasuje | ||
| + | * UPC8178TB (C3B) - | ||
| + | * UPC8187TB (C3G) | ||
| + | * UPC2757(8)TB (C1X, C1Y) | ||
| + | |||
| + | |||