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U2514B-AFN

U2514B-AFN

Model U2514B-AFN
Description AM/FM Receiver for Digital Tuning with FM-Stereo Decoder
PDF file Total 15 pages (File size: 236K)
Chip Manufacturer TEMIC
U2514B
Pin Description
Pin
1
2
3
4
5
6
7
8
9
FMOSCB 6
AMOSC 7
OSCOUT 8
AMSADJ 9
IFOUT 10
AFSM
11
23 CTRLB
22 CTRLA
21
LPF
10
11
12
13
14
15
16
17
18
19
20
21
22
23
Function
AM antenna input
FM-AGC time constant
FM RF tank
Ground RF
FM oscillator emitter
FM oscillator basis
AM oscillator
Buffered AM/FM oscillator
output
AMSADJ Current-input for AM stop signal
adjust
IFOUT AM/FM IF output
AFSM
AF smoothing voltage
FMIFIN FM IF amplifier input
AMIFIN AM IF amplifier input
VREF
Reference voltage
FMDET FM discriminator output
GND
Ground
METER Fieldstrength voltage output
OUTR
AF output right
OUTL
AF output left
CERES Resonator 456 kHz
LPF
Low pass filter for Pilot-PLL
CTRLA Control input for mute, search
mode and search sensitivity
CTRLB Control input for forced mono,
control output for stop function
and stereo information
MPXIN Stereo decoder MPX input
MPXOUT AM/FM MPX output
AMFM AM/FM switch and pilot
canceller time constant
VS
Supply voltage
FMIN
FM antenna input
Symbol
AMIN
FMAGC
FMRF
GNDRF
FMOSCE
FMOSCB
AMOSC
OSCOUT
AMIN 1
FMAGC 2
FMRF
GNDRF
FMOSCE
3
4
5
28 FMIN
27 VS
26 AMFM
25 MPXOUT
24 MPXIN
20 CERES
19
18
17
16
15
10547
OUTL
OUTR
METER
GND
FMDET
FMIFIN 12
AMIFIN 13
VREF 14
24
25
26
27
28
Figure 2. Pinning
Ordering and Package Information
Extended Type Number
U2514B-AFN
U2514B-AFNG3
Package
SSO28
SSO28
Remarks
Taping according to ICE-286-3
2 (15)
Preliminary Information
TELEFUNKEN Semiconductors
Rev. A2, 04-Nov-96
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