16
1.7
Receiver Features
Guaranteed receiver noise figure at -70 dBm RSL
L6/U6
7 GHz
8 GHz
11 GHz
Noise Figure (dB)
4.5
4.5
4.5
5
Typical noise figure at room temperature: 0.5 dB or better
Image rejection:
> 80 dB
Maximum receiver level (RSL), for all modulations, dBm
•
at BER
≤
10-6 = -20
•
Meets specified RBER = -23
•
No damage = 0
Receiver dynamic range:
-20 to -90 dBm
Receive AGC response speed:
>100 dB/s
RSL display accuracy, dB
•
± 2, between –20 and -75 dBm or 10-6 threshold level, (whichever comes first)
•
± 3, between -75 and -90 dBm or 10-6 threshold level, (whichever comes first)
Receive local oscillator frequency
L6/U6
7 GHz
8 GHz
11 GHz
Step Size (kHz)
5
5
5
125
Receive frequency stability (including aging):
± 7 ppm
Receiver return loss at BU antenna port:
≥
24 dB
1.8
Branching Unit (BU) Specifications
The SkyWay-EM Series RFU has a built-in branching unit on the backside of the unit with
waveguide flange for each transceiver.
Summary of Contents for SKYWAY-EM
Page 11: ...11 Figure 1 8 1 1 MHSB Tx SD Rx Configuration Figure 1 9 1 0 Tx SD Rx Configuration ...
Page 12: ...12 Figure 1 10 1 1 FD or 2 0 Configuration Figure 1 11 1 0 MHSB Ready Configuration ...
Page 43: ...43 Figure 3 3 Socket head Screws for Removal Figure 3 4 Separating Filters from BU ...
Page 50: ...50 Figure 32 1 1 MHSB Figure 33 1 1 Tx MHSB SD Rx ...
Page 51: ...51 Figure 34 1 0 Tx SD Rx Figure 35 1 1 FD 2 0 ...
Page 52: ...52 Figure 36 4 0 ...
Page 53: ...53 Figure 37 2 2 MHSB ...
Page 54: ...54 Figure 38 2 2 MHSB Rx SD Figure 39 Hybrid Diversity FD with 2 Antennas ...