SD1731_04 Datasheet, PDF (5/9 Pages) STMicroelectronics – RF POWER BIPOLAR TRANSISTORS HF SSB APPLICATIONS

TEST CIRCUIT
Figure 8. Test Circuit
SD1731 (TH562)
olete ^Product(s) _{Table 6. Test Circuit}
bs C1
O _C2
) ^{- C3}
t(s ^C4
c _C5
du _C6
ro _{C7, C8, C9, C10, C11}
P _L1
te _{L2, L3}
ole L4
bsL5
O_T1
Arco 426 + 220pF + 330pF Chips
2 x 10nF Chips
Arco 4615 + 2.2nF + 2 x 1nF LCC + 4.7nF + 560pf Chps
Arco 4213 + 330pF Chip
10nF Chip
3 x 10nF Chips
1nF + 10nF + 100nF + 4.7µF, 63V + 100µF, 63V
3 Turns of 1.2mm Unenameled Wire Diameter, 7.1mm, Length 13mm
8 Turns of 0.55mm Enameled Wire on Ferrite Core Phillips 4C6 97170 (9 x 6 x 3)
10 Turns of 1.2mm Enameled Wire, Diameter 8.1mm, Length 20mm
7 Turns of 1.2mm Enameled Wire on Ferrite Core Phillips 4C6 97180
6:3.5 Impedance Transformer on toriod Phillips 4C6 97180
T2
Twisted Pair 4:1 Transformer, 4 Turns Made with 1.0mm Enameled on toriod Phillips
4C6 97180
T3
Feedback Transformer Primary: 2 Turns of 1mm Enameled Wire Secondary: 8 Turns
of 1mm Enameled Wire
T4
Twisted Pair 4:1 Transformer, 4 Turns of bifilar Twisted 1.2mm Wires on Ferrite Core
Phillips 4C6 97200
5/9