pag. 53
ST2 User’s Manual
A1 - MAIN TECHNICAL SPECIFICATIONS
ANALOGUE TV
• Frequency band: 44–870 MHz
• Direct selection of: custom memory plan, program, channel, frequency, dc at RF IN, with front
panel keyboard
• Memorisation of: plan, program, channel, frequency, audio carrier, standard, freq. offset
• Frequency resolution: 62.5 KHz
• Input impedance: 75 ohm
• Interchangeable input connector: “F” (“IEC” or “BNC” or “N” optional)
• Power supply at RF IN: OFF, + 5 V (0.2 A)
• Analogue measurement dynamic range at RF input: from 25 to 116 dBuV, from –35 to + 56
dBmV (selectable), with limit indication: level too low, level too high
• Measurement resolution: 0.1 dB
• Level measurement accuracy: 1.5
dB typ. (2 max) with SW correction (after 5 minutes warm–up)
• Measurement fi lter bandwidth: 130 KHz at –3 dB
• Measurement stability versus temperature between –10 and 50°C: 0.03 dB/°C
• Multi–standard: M–N–B–G–I–D–K PAL–NTSC–SECAM.
FM RADIO
• Frequency band: tunable from 44 to 870 MHz (default 88–108)
• Memorisation of: memory plan, programme, channel, frequency
• Frequency resolution: 62.5 KHz
• Audio demodulation: FM
• Demodulation fi lter bandwidth: 100 KHz @ –3 dB. Audio heard with built–in loudspeaker: 0.5 W
adjustable volume
• For all other specifi cations see ANALOGUE TV
COFDM Demodulated
(Digital or analogue fully automatic selection also in channel navigation)
• COFDM frequency band: 44–870 MHz
• Direct selection of: memory plan, programme, channel, frequency, dc at RF IN, with front panel
keyboard
• Memorisation of: memory plan, programme, channel, frequency, channel bandwidth, offset–fre-
quency
• Frequency resolution: 62.5 KHz
• Offset frequency 166 KHz: automatic
• Input impedance: 75 ohm
• Interchangeable input connector: “F” (“IEC” or “BNC” or “N” optional)
• Power supply at RF IN: OFF, +5 V (0.2 A)
• Power measurement dynamic range at the RF input: from 30 to 120 dBuV, from –25 to + 60
dBmV (selectable) with limit indications: level too Low, level too high
• Power measurement resolution: 0.1 dB
• Power measurement accuracy: 1.5 dB typ. (2 dB max.) with software correction (after 5 minutes’
warm-up)
• MER & SNR measurement accuracy: 1 dB typ. (1.5 dB max), with > 45 dBuV power
• Measurement fi lter BW: 130 KHz at –3 dB
• Measurement stability versus temperature between –10 and 50°C: 0.03 dB/°C
• Noise Margin Measurement accuracy: 0.5 dB
BER measurement before and after Viterbi:
– bBER up to 2 x 10–5 (Pre BER)
– aBER up to 2 x 10–8 (Post BER)
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