BA5SBA SDR-RTL

BA5SBA BA - China

It is adapter board to use with generic USB TV tuner.

Aka:

• “100KHz-1.7GHz full band UV HF RTL-SDR USB Tuner Receiver/ R820T+8232 Ham Radio”

BA5SBA

https://imgur.com/gallery/I4oca

Upconverter was nor working, because TCO was mounted incorrectly (rotated).

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.

SMD SOT-26 LABEL “S79”

• AS179-92LF: 20 MHz-3.0 GHz GaAs SPDT Switch

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 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)