Comtech EF Data LPOD - Optional Internal Reference; Optional LNB Bias; Reference

LPOD Outdoor Amplifier / Block Up Converter (BUC) Revision 9
Introduction MN-LPOD
1–9
Spurious Level
Harmonics
-50 dBc @ Prated – 3 dB
Carrier Related
In Band
-60 dBc min. @ P1dB
Non-Carrier
Related In Band
-60 dBm max. ( Input Terminated)
LO Leakage
-25 dBm max. (Input Terminated)
Group delay variation
Linear
± 0.03 ns/MHz
Parabolic
±0 .003 ns/MHz2
Ripple
± 1.0 ns pk-pk
Data Logging Parameters
Non-Volatile RAM : Capacity 30 days @ 90 minute intervals.
Includes:
• RF Output Power
• Mute Status
• Heatsink Temperature
•
LNB Bias Current
Phase Noise (dBc/Hz) (with optional internal or
equivalent performance external reference)
Typical (C/Ku) dBc/Hz Spec (C/Ku) dBc/Hz
Offset
100 Hz
-79/-76
-72/-69
1 KHz
-91/-89
-84/-82
10 KHz
-105/-98
-97/-90
100 KHz
-120/-115
-107/-102
1 MHz
-132/-132
-115/-115
1.5.2 Optional Internal Reference
Internal Reference Oscillator Frequency
10 MHz (can lock to modem supplied reference over a range of
-5 dBm to +5 dBm at IF Input)
Frequency Stability
±5 x 10
–10
/ day
±1 x 10
-8
(-40º to 55ºC)
1.5.3 Optional LNB Bias / Reference
LNB Bias Voltage
22 ±1V @ 450mA max
LNB 10 MHz Reference Output Level
0 dBm ±5dB
LNB Input / Output Return Loss
15 dB
LNB Input / Output Gain
10 dB ± 2 dB (950-1750 MHz)
-1 dB ± 2 dB (optional)
LNB Input / Output Gain Flatness
± 1 dB (950-1750 MHz)
LNB input / Output Isolation (Mute condition)
55 dB min