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TDA6502 датащи(PDF) 32 Page - NXP Semiconductors

номер детали TDA6502
подробное описание детали  5 V mixers/oscillators and synthesizers for cable TV and VCR 2-band tuners
PDF  44 Pages
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производитель  PHILIPS [NXP Semiconductors]
домашняя страница  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

TDA6502 датащи(HTML) 32 Page - NXP Semiconductors

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2000 Mar 16
32
Philips Semiconductors
Preliminary specification
5 V mixers/oscillators and synthesizers for
cable TV and VCR 2-band tuners
TDA6502; TDA6502A;
TDA6503; TDA6503A
13.6.3
27-BIT SEQUENCE
Conditions:
fosc = 750 MHz
Port register PUHF is ‘on’
Reference divider is set at 80
ICP =60 µA
No test function.
Table 29 27-bit sequence
To change the oscillator frequency to 600 MHz in 50 kHz steps a 19-bit sequence or an 18-bit sequence can be used.
The charge pump current remains at 60
µA.
Table 30 Changing frequency with a 19-bit sequence
Table 31 Changing frequency with an 18-bit sequence
PORT BITS
FREQUENCY DATA BITS
CONTROL DATA BITS
14 13 12 11 10
9876543210
X CP T2 T1 T0 RSA RSB OS
1000
011101010011000
1
0
0
0
1
0
0
0
PORT BITS
FREQUENCY DATA BITS
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
1000010111011100000
PORT BITS
FREQUENCY DATA BITS
13
12
11
10
9
8
7
6
5
4
3
2
1
0
1
0
0
0
10111011100000



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