SD1459 Datasheet, PDF (4/5 Pages) STMicroelectronics – RF & MICROWAVE TRANSISTORS TV/LINEAR APPLICATIONS

SD1459
IMPEDANCE DATA
TYPICAL INPUT
IMPEDANCE
Z_IN
TYPICAL COLLECTOR
LOAD IMPEDANCE
Z_CL
FREQ.
170 MHz
200 MHz
230 MHz
ZIN (Ω)
0.6 + j 0.7
0.55 + j 0.8
0.5 + j 0.9
ZCL (Ω)
5.9 + j 3.5
5.0 + j 3.0
4.2 + j 2.8
TEST CIRCUIT FOR 225 MHz
Z_CL
Z_IN
C1, C10 : 470 pF ATC 100 B Chip Capacitor
C2
: 4 - 40pF Arco 403 Trimmer Capacitor
C3
: 4 - 60pF Arco 404 Trimmer Capacitor
C4, C5 : 82pF ATC 100B Chip Capacitor
C6
: 24 - 200pF Arco 425 Trimmer Capacitor
C7
: 10 - 80pF Arco 405 Trimmer Capacitor
C8, C11 : 1µF LCC Chip Capacitor
C9
: 100µF 63V Electrolytic
C12
: 10mF LCC CPM13B
4/5
L1 : 1 1/2 Turns, 0.7mm Enameled Wire 4.5mm I.D.
L2
: 21mm 50Ω Line
L3 : Length of the Base Lead
L4 : Enameled Wire 1.6mm Diameter
L5 : Enameled Wire 1.6mm Diameter
L6 : 9 Turns 0.7mm Enameled Wire 4.5mm 1.D.
Material: Epoxy 63 Mils Er = 2.55