2 optional internal reference – Comtech EF Data LPOD User Manual
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LPOD C-, X-, or Ku-Band Outdoor Amplifier / Block Up Converter (BUC)
MN-LPOD
Introduction
Revision 10
1–9
Input Return Loss
15 dB
Output Return Loss
19.1 dB (1.25:1 VSWR)
Noise Figure
10-15 dB typ, 20 dB max @ min attenuation, (8 dB typ, 15 dB
max PS2 configured as SSPA only)
RF Mute Isolation
-60 dBc min
AM/PM Conversion
2° typ, 3.5° max @ Rated P1dB
Third-order Intermodulation Level
(2 tones, @ -3 dB Total Backoff from P1 dB
(-
6 dBc SCL), Δ 1MHz)
-30 dBc typ, -25 dBc Guaranteed
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
Group delay variation
Linear
± 0.03 ns/MHz
Parabolic
±0 .003 ns/MHz
2
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/X/Ku) dBc/Hz
Spec (C/X/Ku) dBc/Hz
Offset
100 Hz
-79/-78/-76
-72/-72/-69
1 KHz
-91/-87/-85
-84/-84/-82
10 KHz
-105/-104/-98
-97/-97/-90
100 KHz
-120/-114/-114
-107/-107/-102
1 MHz
-132/-132/-132
-115/-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)