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Copyright © 1999 Trango Systems, Inc. All rights reserved.
19
VRX2500 Receiver: Electrical
RADIO SECTION:
LO Frequency:
1933-1990 MHz
Frequency Stability:
0.0025% PLL Stabilized (25 ppm) over temperature
Cascade P1dB Input:
> -18 dBm
Cascade IP3 Input:
> -5 dBm
IF Bandwidth:
16 MHz (3 dB)
Image Rejection:
> 60 dB
Channel Rejection:
> 20 dB between adjacent channels
> 90 dB between channels 1 and 4
> 60 dB between channels 2 and 4, 1 and 3
FM Threshold:
-90 dBm
Cascade Noise Figure:
< 5 dB
VIDEO SECTION:
Video 3dB BW:
5.8 MHz (Conforms with NTSC/PAL standard)
Video Output S/N:
> 37 dB with –85 dBm RF input
> 40 dB with –80 dBm RF input
> 45 dB with –75 dBm RF input
Video Diff. Gain:
< 10%
Video Diff. Phase:
< 5 degrees
Chr. To Lum. Gain:
70% to 107%
Chr. To Lum. Delay:
±60 nS
Output Load Imp.:
75
Ω
DC Clamping:
Back Porch with .15 V typical DC offset