Conversion Gain, Noise Figure Test Circuit
2SC4463
fosc = 230 MHz
(0 dBm)
1.5 p
f=
200 MHz
L2 56 p
2200 p
VCC
560
fout = 230 MHz
Ferrite Bead
L4
27 p RL = 50 Ω
D.U.T.
L1
4.2 p
L3
330
2200 p
2200 p 18 p
80 p
VBB
L1 : φ0.5 mm Enameled Copper Wire 4 Turns Inside Dia φ5 mm
L2 : φ0.5 mm Enameled Copper Wire 4 Turns Inside Dia φ4 mm
L3 : φ0.2 mm Enameled Copper Wire 6 Turns Inside Dia φ3 mm
L4 : φ0.2 mm Enameled Copper Wire 16 Turns, Inside Dia φ0.5 mm, Using Ferrite Bead
Unit R : Ω
C:F
5