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BG3123...
DUAL N-Channel MOSFET Tetrode
4 5 6
• Two gain controlled input stages for UHF and VHF -tuners e.g. (NTSC, PAL) • Optimized for UHF (amp. B) and VHF (amp. A) • Integrated gate protection diodes • High AGC-range, low noise figure, high gain • Improved cross modulation at gain reduction
BG3123
6 5 4
2 1
3
VPS05604
BG3123R
6 5 4
Drain AGC HF Input G2 G1 R G1 VGG
HF Output + DC
B A
1 2 3 1
B A
2 3
GND
EHA07461
ESD: Electrostatic discharge sensitive device, observe handling precaution!
Type BG3123 BG3123R***
Package SOT363 SOT363 1=G1* 2=G2 1=G1** 2=S
Pin Configuration 3=D* 3=D** 4=D** 4=D* 5=S 5=G2
Marking 6=G1** KOs 6=G1* KRs
* For amp. A; ** for amp.
BG3123R Datasheet
