Microwave Links
Generals. The TML4/1/70 is a 4 GHz complete microwave link that can carry simultaneously 1 video and up to 4 high-quality 15 kHz analog audio programs. The audio channels are fully compatible with the ITEL digital audio codecs TD/16 and RD/16 (2-channels). It is composed of:
- TMM IF: Modulator with 70 MHz IF output;
- TMD IF: Demodulator with 70 MHz IF input;
- TMT 4/1/70: Microwave Transmitter with 1 W output power in th 4.2 - 4.8 GHz frequency band;
- TMR 4/70: Microwave Receiver;
Features. Some TML4/1/70 microwave link characteristics
are:
-the A/V intermodulation almost canceled;
-the capacity to accept simultaneously 1 video, up to 8 digital audio
programs, and up to 4 x 4800 bps data channels;
- the easy RF frequency setting with a 125 kHz steps digital PLL. No
tuning is required within 100 MHz range.
Metering. A front panel digital multimeter and alarms permit
to check audio and video levels, RF received signal level, PLL lock
and squelch status. The equipment meets or exceeds the international
standards for safety and electrical specifications.
ITEL S.r.l. TELECOMUNICATIONS AND BROADCASTING SERVICES Via Friuli, 6 - 33074 Fontanafredda (PN) - ITALY Tel. +39 0434 997667 - Fax. +39 0434 997687
