|Description||Tuner Module for Digital Terrestrial (ofdm) Applications|
|Datasheet||Download TD1600ALF-4 datasheet
|Tuner module for digital terrestrial (OFDM) applications
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 frequency is fed through one of the pinnd 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.Channel bandwidth RF-loopthrough range IF-center frequency RF input connector RF output connector
Highly integrated RF-module, 3-band tuner plus active loopthrough +5V supply voltage only; no external tuning voltage required Tuners for horizontal and vertical mounting available Option with DC power output through input connector (e.g. indoor antenna supply) Tuners comply with relevant CENELEC standards with regard to requirements concerning signal handling capability and immunity Superior low noise and high sensitivity performance RF-in to RF-out loopthrough amplifiers Low noise and excellent linearity Full VHF to UHF frequency range coverage Standard connectors for in- and output e.g. IEC, F-connector, RCA High performance and cost effective single conversion tuner I2C programmable 400kHz Bus compliant Fast PLL tuning speed (programmable step size e.g. 62.5kHz and 166.67kHz) Tuner internal gain control loop with selectable TakeOverPoint settings via I2C Bus External gain control possible with internal loop disabled 4.0V (max. gain) to 0V (min. gain) gain control voltage Flat overall frequency response High PLL loop bandwidth which ensures very low oscillator phase noise 4 MHz crystal reference frequency output SAW-filter and IF-amplifier included Switchable 7/8 MHz SAW filter Fixed 8 MHZ SAW filter IF-amplification controllable over a wide rangeDifferential, filtered (SAW) `digital' IF-output to directly drive the channel decoder
Table 2. Ordering information Table description (optional) Type number Package Name Description Version
VHF 3 UHF PLL tuner, Loopthrough, antenna power, Screw hole, DC/DC converter, IEC connector, vertical mount VHF 3 UHF PLL tuner, Loopthrough, antenna power, Screw hole, DC/DC converter, IEC connector, horizontal mount VHF 3 UHF PLL tuner, Loopthrough, antenna power, DC/DC converter, IEC connector, vertical mount VHF 3 UHF PLL tuner, Loopthrough, antenna power, DC/DC converter, IEC connector, horizontal mount UHF only PLL tuner, loopthrough, antenna power, Screw hole, DC/DC converter, IEC connector, vertical mount UHF only PLL tuner, Loopthrough, antenna power, Screw hole, DC/DC converter, IEC connector, horizontal mount UHF only PLL tuner, Loopthrough, antenna power, DC/DC converter, IEC connector, vertical mount UHF only PLL tuner, Loopthrough, antenna power, DC/DC converter, IEC connector, horizontal mountVHF 3 UHF PLL tuner, antenna power, DC/DC converter, phono connector, horizontal mount
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