SL6609A データシートの表示（PDF） - Zarlink Semiconductor Inc
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SL6609A Datasheet PDF : 20 Pages
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SL6609A
RF Amplifier Components Values
Resistors
Capacitors
R14, R15
4k7
C13, C15
R13
see note 1
C16, C17
R22
47k
C20, C21
C24, C25
L2
Fig.4 RF amplifier
1nF
1nF
1nF see note 2
1nF
820nH
Active components
D1 MA862 (Panasonic)
Notes:
(1) The value of R13 is determined by the set up procedure (See "Set up for optimum performance").
(2) C20 and C21 are purely for deomonstration purposes. Pin 24 and Pin 26 may be DC coupled provided that no DC voltage is applied to the
mixer inputs.
Frequency Dependent Components
153MHz
280MHz
C26
not used
6.8p
C27
not used
not used
L1
150nH
68nH
C34
3p3
2p2
T1
100nH
30nH
Coilcraft N2261-A
Coilcraft M1686-A
VC1
1-10pF
1-10pF
Q4, Q5
Toshiba 2SC5065
Toshiba 2SC5065
(See also Lo drive Network)
450MHz
not used
not used
39nH
1p5
16nH
Coilcraft Q4123-A
1-3pF
Philips BFT25A
Fig.5 Local oscillator drive network
LO Drive Network Component Values
50Ohm input impedance (External LO injection)
153MHz
280MHz
450MHz
C2
10p
5p6
3p3
C5
10p
5p6
3p9
C3, C4, C18 = 1n
R3, R5, R6, R7 = 100Ohms
Higher Input Impedance (crystal oscillator input)
153MHz
280MHz
450MHz
C3
Set by load allowable on crystal oscillator (typical 4p7)
C2
10p
5p6
3p3
C5
10p
5p6
3p9
R3
100
100
100
R7
100
100
100
R5, R6 = 1k
C4, C18 = 1n
9
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