SD1448 Datasheet, PDF (4/6 Pages) STMicroelectronics – RF & MICROWAVE TRANSISTORS UHF TV/LINEAR APPLICATIONS

SD1448 (TCC598)
TEST CIRCUIT
C1
: 22mF, 63V Sprague
C2, C6,
C8, C15 : 4.7nF Chip LCC
C3, C7, C9,
C11, C16 : 100nF Chip LCC
C4, C10 : 4.7µF, 40V Sprague
C5, C15 : 4.7µF, 63V Sprague
C12, C17,
C18
: 470pF Chip LCC
C13, C25 : 47pF ATC 100B
C19
: 47pF ATC 100A
C20
: 0.5 - 4.5pF Adjustable Airtronic
C21, C24 : 0.8 - 5pF Adjustable Johanson
C22
: 10pF ATC 100A
C23
: 15pF ATC 100B
D1
: 1N 4001 or 1N 914
L1
: 50Ω Transmission Line, Length 18mm
L2
: 50Ω Transmission Line, Length 22mm
L3
: 16.4Ω Transmission Line, Length 12mm
L’3
: 10.5Ω Transmission Line, Length 3.5mm
L4
: 20Ω Transmission Line, Length 13mm
L5
: 50Ω Transmission Line, Length 2.5mm
L6
: 20Ω Transmission Line, Length 23mm
L7
: 4Ω Transmission Line, Length 8% λ at 860 MHz
L8
: 55Ω Transmission Line, Length 7.5% λ at 860 MHz
L9
: 7.5Ω Transmission Line, Length 8% λ at 860 MHz
L10 : 100Ω Transmission Line, Length 8% λ at 860 MHz
L11 : 20Ω Transmission Line, Length 8% λ at 860 MHz
L12 : 50Ω Transmission Line, Length 5mm
L13 : 50Ω Transmission Line, Length 12mm
P1 : 3.3kΩ Adjustable
R1 :
R2 :
R3 :
R4, R6 :
R5, R7 :
2.2Ω, 3W SFERNICE
100Ω, 1/2W
51Ω, 1/2W
100Ω, 1/2W
56Ω, 1W
T1 : BDX 54 B
S1 : 6 Turns, Wire Diameter 0.5mm on 2.5mm Internal
Diameter
S2 : 10 to 12 Turns on R6, Wire Diameter 0.5mm
PC Board
Material : Er = 2.5, .020” Thick
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