Terrasat Communications IBUC 2 DBS-Band Intelligent Block Upconverter (17.3 - 18.4 GHz) 3W - 25W
Freq. range Band-1 17.3 to 18.1 GHz, 950 to 1750 MHz, Band-2 18.1 to 18.4 GHz 1150 to 1450 MHz, Interface WR62 cover with groove, Spurious In Band -65 dBc max.
IBUC 2 DBS-Band Block Upconverters (3W - 25W)
The Terrasat Communications IBUC 2 DBS-Band provides low energy consumption for use with modems equipped with limited capacity BUC power supplies. DC power is supplied via IFL coax and extremely low phase noise better than IESS308/309 requirements.
Embedded Web pages pro-vide management for small networks using any Web browser. AGC or ALC circuits hold gain or output level constant. 30 dB User-adjustable gain in 0.1 dB steps preserves mo-dem dynamic range.
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Power Consumption |
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3W |
60 W |
75 VA |
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5W |
95 W |
120VA |
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8W |
130 W |
150 VA |
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10W |
150 W |
170 VA |
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20W |
280 W |
320 VA |
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25 W |
310 W |
350 VA |
Advanced user interfaces:
- TCP/IP HTTP with embedded Web pages
- SNMP
- TELNET through TCP/IP
- FSK through TX IFL cable
- RS232/485 serial port
- Hand‐held terminal
IBUC 2E comes with a complete set of diagnostic tools including:
10 MHz input detector Input voltage and current monitoring Transmit L‐band input level detector Transmit RF output level detector User configurable thresholds and alarms
Unique to the IBUC 2 DBS-Band Low Energy Consumption VSAT BUCs are internal AGC and ALC functions that satisfy demanding applications with stringent specifications.
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Frequency range |
RF |
IF |
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Band 1 |
17.3 to 18.1 GHz |
950 to 1750 MHz |
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Band 2 |
18.1 to 18.4 GHz |
1150 to 1450 MHz |
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Input |
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VSWR / Impedance |
1.5:1 max / 50 Ohm |
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Input Connector |
Type N female (50 Ohm) |
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Input Connector options |
Type F (75 Ohm), TNC (50 Ohm) |
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Input power detector |
-55 to –20 dBm |
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Gain |
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Small Signal Gain (L-band to RF) with attenuator set to 0 dB |
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3 W |
66 dB min |
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5 W |
68 dB min |
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8 W |
70 dB min |
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10 W |
71 dB min |
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20 W |
74 dB min |
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25 W |
75 dB min |
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Attenuator range |
30 dB variable in 0.1 dB steps |
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Gain flatness |
Band 1 |
Band 2 |
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Full band |
4 dB p-p max |
3 dB p-p max |
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36 MHz |
1 dB p-p max |
1 dB p-p max |
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1 MHz |
0.25 dB p-p |
0.25 dB p-p |
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Gain variation over temperature |
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Open loop |
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3 dB p-p max |
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With AGC |
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1 dB p-p max |
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RF Output |
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Interface |
WR62 cover with groove |
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VSWR |
1.5:1 max |
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Rated output power (P1dB) |
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3 W |
+34.8 dBm min |
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5 W |
+37 dBm min |
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8 W |
+39 dBm min |
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10 W |
+40 dBm min |
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20 W |
+43 dBm min |
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25 W |
+44 dBm min |
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IMD3 (2 carriers, 3 dB TOBO) -23 dBc max |
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Level stability with ALC ± 0.5 dB |
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Output power detector range Rated power to –20 dB |
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Power reading accuracy ± 1.0 dB max |
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Spurious |
-65 dBc max. |
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Harmonics |
-50 dBc max |
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Output Noise Power Density |
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TX |
< -81 dBm/Hz |
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RX |
< -150 dBm/Hz |
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DBS video broadcasting, uplink trucks, fixed VSAT and earth stations
