SA58640 Datasheet, PDF (7/16 Pages) NXP Semiconductors – Low-voltage mixer FM IF system

Philips Semiconductors
12. Application information
SA58640
Low-voltage mixer FM IF system
FLT1
C23
C26
R17
2.4 k
R18
3.3 k
FLT2
C21
C15
C18
C17
20
19
18
17
16
15
14
13
12
11
mixer
IF amp
RSSI
OSCILLATOR
limiter
quad
E
B
V_REG
audio
1
2
3
4
5
6
7
8
9
10
C1
L1
C2
45 MHz
input
C5
C6
C8
C7
L2
X1
R11
10 k
C9
R10
10 k
C12
C27
R19
C10
2.2 µF
11 k
C19
390 pF
IFT1
RSSI V_CC
output
audio
C14
002aab126
Fig 3. 45 MHz application circuit
9397 750 14161
Objective data sheet
Table 6: Demoboard application component list
Component
Value
Type
C1
51 pF
NPO ceramic
C2
220 pF
NPO ceramic
C5
100 nF r 10 %
monolithic ceramic
C6
5 pF to 30 pF
trim cap
C7
1 nF
ceramic
C8
10.0 pF
NPO ceramic
C9
100 nF r 10 %
monolithic ceramic
C10
10 PF
tantalum (minimum) ^[1]
C12
2.2 PF r 10 %
tantalum
C14
100 nF r 10 %
monolithic ceramic
Rev. 01 — 1 November 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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