Functional Block Diagram - Blonder Tongue Laboratories Inc.
Functional Block Diagram - Blonder Tongue Laboratories Inc.
Functional Block Diagram - Blonder Tongue Laboratories Inc.
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Broadband Specification Guide<br />
Equipment Specifications Library<br />
LPI-188PS<br />
The indoor power supply for powering multiswitches or LNBs shall be housed in an wall mountable case with four mounting screws. The power supply shall insert<br />
+18VDC on to one coaxial cable. The power supplies shall be equal to <strong>Blonder</strong> <strong>Tongue</strong> LPI-188PS, and shall meet or exceed the following specifications:<br />
a) Impedance: 75 Ω<br />
b) Output Voltage: +18 VDC<br />
c) Current: 800 mA<br />
d) Output Connector: “F”<br />
LPI 3300<br />
The indoor dual power inserter shall provide 13 and 18 volt outputs for LNBF powering from an 18 VDC power source. All connectors shall be F type. The power<br />
inserter shall be equal to <strong>Blonder</strong> <strong>Tongue</strong> LPI 3300, and shall meet or exceed the following specifications:<br />
a) Frequency Range: 950-2150 e) Connectors: “F”<br />
b) Impedance: 75 Ω f) Inserting Current: 800 mA<br />
c) Output Voltage: 13/18 VDC<br />
d) Insertion Loss (950-2150): 0.8 dB<br />
MAVM-60-861-TX<br />
The modulator shall be channelized agile channel, solid state heterodyne audio/video modulator. The modulator shall modulate a 0.7-2.8 volt peak to peak sync<br />
negative video source and a 140 mV RMS audio source to output CATV channels T7 to T11 by changing field changeable output filter modules. The modulator shall<br />
have front panel controls for video and audio modulation levels, aural to visual ratio and RF output level. The modulator shall be BTSC compatible via field-defeatable<br />
audio pre-emphasis. The modulator shall be equal to <strong>Blonder</strong> <strong>Tongue</strong> MAVM-60-861-TX and shall meet or exceed the following specifications:<br />
a) Frequency Range: 7-37 MHz e) C/N In Channel: 65 dB<br />
b) Output Level: 60 dBmV Minimum f) Output Return Loss: 15 dB Minimum<br />
c) Output Level Control: 15 dB g) Broadband Noise: -110 dBc<br />
d) Spurious Outputs: -60 dBc<br />
MAVM-861-XX<br />
The modulator shall be channelized agile channel, solid state heterodyne audio/video modulator. The modulator shall modulate a 0.7-2.8 volt peak to peak sync<br />
negative video source and a 140 mV RMS audio source to output CATV channels 2 to 135 by changing field changeable output filter modules. The modulator shall<br />
have front panel controls for video and audio modulation levels, aural to visual ratio and RF output level. The modulator shall be BTSC compatible via field-defeatable<br />
audio pre-emphasis. The modulator shall be equal to <strong>Blonder</strong> <strong>Tongue</strong> MAVM-861-XX and shall meet or exceed the following specifications:<br />
a) Frequency Range: 54-860 MHz e) C/N In Channel: 65 dB<br />
b) Output Level: 40 dBmV Minimum f) Output Return Loss: 15 dB Minimum<br />
c) Output Level Control: 15 dB g) Broadband Noise: -95 dBc<br />
d) Spurious Outputs: -66 dBc<br />
MAVM-861-TX<br />
The modulator shall be channelized agile channel, solid state heterodyne audio/video modulator. The modulator shall modulate a 0.7-2.8 volt peak to peak sync<br />
negative video source and a 140 mV RMS audio source to output CATV channels T7 to T11 by changing field changeable output filter modules. The modulator shall<br />
have front panel controls for video and audio modulation levels, aural to visual ratio and RF output level. The modulator shall be BTSC compatible via field-defeatable<br />
audio pre-emphasis. The modulator shall be equal to <strong>Blonder</strong> <strong>Tongue</strong> MAVM-861-TX and shall meet or exceed the following specifications:<br />
a) Frequency Range: 7-37 MHz e) C/N In Channel: 65 dB<br />
b) Output Level: 40 dBmV Minimum f) Output Return Loss: 15 dB Minimum<br />
c) Output Level Control: 15 dB g) Broadband Noise: -95 dBc<br />
d) Spurious Outputs: -66 dBc<br />
MIBT-S3A-XXX<br />
To ensure link fidelity, both the transmitter and receiver shall be provided by the same manufacturer. The fiber transmitter shall transmit 110 channels downstream<br />
on 9/125 mm or 10/125 mm single mode fiber. The transmitter shall have a modular chassis requiring 2 slots in a MIRC-12 rack chassis. It shall have a tri-color LED<br />
status indicator for the RF input. The transmitters shall be equal to <strong>Blonder</strong> <strong>Tongue</strong> MIBT-S3A-XXX Series and shall meet or exceed the following specifications:<br />
a) Operating Wavelength: 1310 nm<br />
b) Bandwidth: 45 to 860 MHz<br />
c) Input Impedance: 75 Ω<br />
d) Back Reflection: -50 dB Maximum<br />
e) Optical Output Power: 6-14 dBm<br />
(Output power dependant on model used)<br />
f) RF Input Level (110 Ch. Load): +18 dBmV<br />
g) CNR (0 dBm In, 110 Ch Load): 54 dB<br />
h) CTB (110 Ch Load): -69 dB Minimum<br />
i) CSO (110 Ch Load): -63 dB Minimum<br />
j) Optical Output Connector: FC/APC<br />
k) RF Input Connector: F<br />
l) RF Input Adjustment Range: 4dB<br />
m) Optical Output: FC/APC Standard, SC/APC Optional<br />
n) RF Input Indicator: Tri-color LED<br />
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