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
AM/FM Receiver for Digital Tuning with FM-Stereo Decoder
Description
The U2514B is an integrated bipolar radio suitable for
digital tuning systems. It contains a FM front end with
pre-amplifier and FM-stereo decoder as well as a
complete AM receiver and demodulator. Stop-signal
generation is implemented for FM and AM mode. This
circuit is designed for use in small radios, power packs
and multimedia applications
Features
D
FM wideband AGC
D
LO-buffer for digital tuning
D
Integrated stop signal generation with true
AM/ FM discriminators
D
High cut
D
Mute function
D
Pilot canceller
D
Supply voltage range 3 to 12 V
D
Package: SSO28
D
Adjustable stop signal sensitivity
D
Automatic stereo-mono-blend
Block Diagram
FMOSCE
FMOSCB
FMRF
6
28
FMIN
2
FMAGC
8
OSCOUT
GNDRF
4
AM FM stop
signal detect
20
Pilot PLL
23
CTRLB
27
1
AMIN
AM front end
AM IF +
demodulator
Control
unit
VS
V
Ref
GND
16
7
AMOSC
IFOUT
10
12
FMIFIN
AMIFIN
13
17
METER
9
22
26
AMFM
14
VREF
12305
AFSM
FMDET
15
11
MPXOUT
25
MPXIN
24
Matrix
decoder
+ HCC
18
OUTR
19
OUTL
21
LPF
5
3
FM front end
FM IF +
demodulator
CERES
CTRLA
AMSADJ
Figure 1.
TELEFUNKEN Semiconductors
Rev. A2, 04-Nov-96
1 (15)
Preliminary Information
Related PDFs
| Model | Description | Manufacturer | Operation |
|---|---|---|---|
 U2514B-AFNG3
|
AM/FM Receiver for Digital Tuning with FM-Stereo Decoder | TEMIC | Preview |
