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PDF TD1311ALF-4 Data sheet ( Hoja de datos )
| Número de pieza | TD1311ALF-4 | |
| Descripción | Tuner module | |
| Fabricantes | NXP Semiconductors | |
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TD1600ALF-4
Tuner module for digital terrestrial (OFDM) applications
Rev.c — 23-04-2007
Preliminary data sheet
1. General description
TD1600ALF-4 belong to the new generation of terrestrial tuners designed to cope with
digital COFDM and analog transmission standards.
From function point-of-view these tuners can be divided into two high-frequency
sections, a RF-loopthrough and a single conversion tuner part.
In the loopthrough section broadband low-noise amplifiers are used. The loopthrough
frequency response covers the entire frequency range from VHF to UHF.
The RF-downstream section is equipped with a state-of-the-art single conversion tuner,
which makes use of a highly integrated MOPLL IC that provides the required high level
of performance necessary for COFDM signal processing.
The tuners are provided with a DC/DC converter to generate the tuning voltage
internally.
The internal 4MHz PLL crystal reference freqnud ency is fed through one of the pin-
terminals and can be used as a clock for a 2 device e.g. the channel decoder.
Two IF-outputs are provided, one is a wideband, non filtered IF-output, while the other,
narrow-band IF-output is equipped with a SAW-filter and a gain controllable IF-amplifier.
This narrow-IF-output matches the A-to-D converter input of currently available channel
decoders.
All tuners out of this family can be equipped with two standard IEC-connectors, RF-in is
IEC-female, RF-out is IEC-male. The tuner housing is available in a vertical or
horizontal mountable execution; the pinning pitch corresponds to the World Standard
Pinning convention.
Apart from the RF-connectors, all other terminals are made with wire pins at the bottom
side of the tuner.
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5. Pinning information
5.1 Pinning
TD1600ALF-4
Tuner module for digital terrestrial (OFDM) applications
Fig 2. Pinning diagram
5.2 Pin description
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Table 3. Pin description
Table description (optional)
Pin Description
1 DC-power option for tuners with P-extension [1]
2 External RF-gain control voltage (0.5V - 4.0V) [2]
3 PLL chip address select (I2C / tuner) [3]
4 SCL (I2C / tuner)
5 SDA (I2C / tuner)
6 4MHz reference frequency output [4]
7 +5V ± 5% supply tuner (VTU)
8 'broadband' IF – output[4]
9 IF-gain control voltage [5]
10 'narrowband' IF – output 1[4]
11 'narrowband' IF – output 2[4]
[1] Max. permissible current: 35mA
[2] Max. permissible control voltage source impedance limited to 200ohms (see application notes)
[3] see application notes
[4] AC coupled
[5] max. gain at 3V,min. gain at 0V (see application notes)
TD1600ALF-4
Preliminary data sheet
Rev.c — 23-04-2007
© NXP B.V. 2006. All rights reserved.
5 of 27
5 Page 
NXP Semiconductors
TD1600ALF-4
Tuner module for digital terrestrial (OFDM) applications
Table 9. Description of used symbols
Symbol
Description
CA1, CA0
Chip address selection bits[1]
Conditions
R/W Read/write bit
Bit = 0 (write mode), bit = 1 (read mode)
N14 to N0
LO frequency divider bits
-
D/A D/A = 1 ⇒ following 6 bits contain
test and reference divider ratio data
R2, R1, R0
D/A = 0 ⇒ following 6 bits contain
AGC setting data
Reference divider bits [2]
SP5 ..... SP1 Band selection and SAW filter switch
ports
ATC
AGC time constant data bit; only
valid with int. AGC loop active
ATC = 1 ⇒ enables fast tuning speed
during channel search mode
AL2, AL1, AL0 AGC Take-Over-Point bits [3]
ATC = 0 ⇒ recommended after channel
acquisition; normal mode
CP2, CP1,
CP0
SP5 - SP1
CA1, CA0
PLL charge pump current selection
bits [4]
Switch ports [5]
bit = 1 ⇒ port Vout is 'ON’
bit = 0 ⇒ port Vout is 'OFF
Programmable address selection bits
[6]
[1] See table: Programmable address selection
[2] See table: Reference Divider Settings
[3] see table: Internal AGC loop TOP
[4] see table: Charge Pump Settings
[5] see table: Band and SAW-filter selection table
Table 10.
CA1
0
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0
1
1
Programmable address selection bits (CA1, CA0)
CA0
Voltage applied to terminal 3
0 0V to 0.1x VTU
1 Terminal open
0 0.4xVTU to 0.6xVTU
1 0.9xVTU to 1.0xVTU
TD1600ALF-4
Preliminary data sheet
Rev.c — 23-04-2007
© NXP B.V. 2006. All rights reserved.
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