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Transmitter System for Low Signal Power Relay Stations
Transmitter "AM3000" Features
This system is a minimal low signal power transmitter for the relay of ISDB-T Digital Terrestrial Broadcasting.
As the need arises, it's possible to have the compensation function built-in for integrate-type basic equipment.
| 6052RT |
受信変換＋送信変換のベーシック機能
BASIC function (which consists of a reception conversion and a transmission conversion) |
|---|---|
| 6052MD | ベーシック機能＋遅延機能＋マルチパス等化 BASIC function + Multipath equalization + Delay adjustment |
| 6052CL | ベーシック機能＋回り込みキャンセラ BASIC function + Coupling loop canceller |
| 6052CC | ベーシック機能＋同一チャンネル干渉除去 BASIC function + Co-channnel interference |
| 6052SD | ベーシック機能＋スペースダイバーシティー BASIC function + Space diversity reception |
| 6052RD | ベーシック機能＋ルートダイバーシティー BASIC function + Route diversity reception |
Transmitter unit and power supply unit is separated and stocked in the respective steel cases.
Low Signal Power Relay Stations
Externals
[Transmitter unit] 1,100(H)ｘ560（W)ｘ456(D)
[Power supply unit] 745(H)×535(W)×400(D)
[Battery unit] 800(H)×510(Ｗ)×290(D)
Block Diagram (ISDB-T Low Signal Power Relay Stations)
- Transmitter unit store box can mount 8 one basic equipment configuration, 3 systems of reception and 3 systems of transmission at maximum.
- Transmitter unit store box corresponds to both ways of isolated or non-isolated reception.
- Power supply unit can be equipped with an lightning protection transformer as the standard and equipped with a charger for accumulators as an option.
- Power amplifier adopts common amplifying system by "broadband MCPA" and makes 50mW output standard per 1 wave.
- GPS calibrating type OCXO as a frequency reference signal is available as an option.
- Intermediate frequency adopts an original frequency for the purpose of miniaturization of equipment and price reduction.
It isn't 37.15MHz as the small-scale relay station intermediate frequency prescribed by Orange Book (Japanese Standard of ISDB-T Digital Terrestrial Broadcasting).
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