Blonder tongue FOCN Series, Instruction Manual

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4 FOCN
Instruction Manual
Forward Optical Receivers
RF Output
Frequency Range (+/- 1.0 dB): 54-1000 MHz (NTSC)
Output Level (@ -1 dBm optical input):
*
+28 dBmV (@ 550 MHz)
Return Loss: 14 dB min., 16 dB typical
Impedance: 75 Ohm
CNR (@ 0 dBm optical input):
*
> 53 dB
CSO (@ -1 dBm optical input):
*
> 63 dBc
CTB (@ -1 dBm optical input):
*
> 65 dBc
Slope: 0dB
RF Test Point (forward) -20 dB; Type F
Optical
Wavelength: 1280 - 1610 nm
Optical Input Power Range: +2 dBm to -8 dBm
Return Loss: > 50 dB with APC connector
Optical Input Power Test Point:
1 V/mW +/- 0.1 V
Optical Connector: SC/APC, 8° APC
* NOTE: Typical levels @ 0 dB slope to 1000 MHz with 8dBm
optical transmitter with OMI @ 3.2%, & 77 NTSC channel
loading to 550 MHz & digital loading to 1000 MHz (-6 dB
below analog).
Electrical & Mechanical
Dimensions: 3” H x 6” D x 2.1” H
Weight: 12 oz.
Operating Temperature Range:
-10 to +55˚C (temperature at the mounting plate)
Enclosure IP Rating: IP20
Powering: +12 VDC
(via external Power Supply (included))
DC Ripple: < 50 mV
Power Dissipation (with return TX): < 7 W
Return Optical Transmitters
Specifications
F-P & DFB Versions RF Input
Frequency Range: (+/- 1.0 dB) 5-42 MHz (NTSC)
RF Test Point (return): -20 dB (external); Type F
Return Loss (with Return TX Installed):
> 16 dB within the Return Band
Return Path NPR: 15 dB min. of NPR Range
FP: 37 dB NPR Threshold
DFB: 41 dB NPR Threshold
Optical
Optical Output:
DFB = 4.8dBm (3mW) @1310nm
DFB = 4.0dBm (2.5mW) @1550nm
Return Loss: > 50 dB with APC connector
Optical Connector SC/APC, 8° APC