2SC2734 Datasheet, PDF (5/8 Pages) Hitachi Semiconductor – Silicon NPN Epitaxial

2SC2734
f_osc = 930 MHz
(0 dBm)
Conversion Gain, Noise Figure Test Curcuit
V_BB
C₂
L₄
L₆
L₃
L₁
*
8p
L₂
D.U.T.
L₅
12 p
100
0.047 µ
1k
C₃
200 µ
V_CC
80 p
f_out = 30 MHz
R_L = 50 Ω
200 p
* ^{···· Disk Capacitor}
Unit R : Ω
C: F
L:H
L₁ : φ1 mm Enameled Copper wire
L₂ : φ1 mm Enameled Copper wire
L₃ : φ1 mm Enameled Copper wire
L₄ : φ1 mm Enameled Copper wire
23
11
90
120
22
13
90 ¹³⁰
20
3
90 ₁₃₀
13
11
90 90
L₅ : Bobbin φ5 mm inside dia, φ0.2 mm 20 Turns Enameled Copper wire
L₆ : φ0.5 mm Enameled Copper wire 1 Turn inside dia φ6 mm
C₁ : 20 pF max. Air Trimmer Condenser
C_2, C₃ : 1000 pF Air Core Capacitor
Unit : mm
Rev.2.00 Aug 10, 2005 page 5 of 7