Functional Block Diagram - Blonder Tongue Laboratories Inc.

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Broadband Specification Guide Equipment Specifications Library LPI-188PS 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 +18VDC on to one coaxial cable. The power supplies shall be equal to Blonder Tongue LPI-188PS, and shall meet or exceed the following specifications: a) Impedance: 75 Ω b) Output Voltage: +18 VDC c) Current: 800 mA d) Output Connector: “F” LPI 3300 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 inserter shall be equal to Blonder Tongue LPI 3300, and shall meet or exceed the following specifications: a) Frequency Range: 950-2150 e) Connectors: “F” b) Impedance: 75 Ω f) Inserting Current: 800 mA c) Output Voltage: 13/18 VDC d) Insertion Loss (950-2150): 0.8 dB MAVM-60-861-TX 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 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 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 audio pre-emphasis. The modulator shall be equal to Blonder Tongue MAVM-60-861-TX and shall meet or exceed the following specifications: a) Frequency Range: 7-37 MHz e) C/N In Channel: 65 dB b) Output Level: 60 dBmV Minimum f) Output Return Loss: 15 dB Minimum c) Output Level Control: 15 dB g) Broadband Noise: -110 dBc d) Spurious Outputs: -60 dBc MAVM-861-XX 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 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 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 audio pre-emphasis. The modulator shall be equal to Blonder Tongue MAVM-861-XX and shall meet or exceed the following specifications: a) Frequency Range: 54-860 MHz e) C/N In Channel: 65 dB b) Output Level: 40 dBmV Minimum f) Output Return Loss: 15 dB Minimum c) Output Level Control: 15 dB g) Broadband Noise: -95 dBc d) Spurious Outputs: -66 dBc MAVM-861-TX 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 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 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 audio pre-emphasis. The modulator shall be equal to Blonder Tongue MAVM-861-TX and shall meet or exceed the following specifications: a) Frequency Range: 7-37 MHz e) C/N In Channel: 65 dB b) Output Level: 40 dBmV Minimum f) Output Return Loss: 15 dB Minimum c) Output Level Control: 15 dB g) Broadband Noise: -95 dBc d) Spurious Outputs: -66 dBc MIBT-S3A-XXX To ensure link fidelity, both the transmitter and receiver shall be provided by the same manufacturer. The fiber transmitter shall transmit 110 channels downstream 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 status indicator for the RF input. The transmitters shall be equal to Blonder Tongue MIBT-S3A-XXX Series and shall meet or exceed the following specifications: a) Operating Wavelength: 1310 nm b) Bandwidth: 45 to 860 MHz c) Input Impedance: 75 Ω d) Back Reflection: -50 dB Maximum e) Optical Output Power: 6-14 dBm (Output power dependant on model used) f) RF Input Level (110 Ch. Load): +18 dBmV g) CNR (0 dBm In, 110 Ch Load): 54 dB h) CTB (110 Ch Load): -69 dB Minimum i) CSO (110 Ch Load): -63 dB Minimum j) Optical Output Connector: FC/APC k) RF Input Connector: F l) RF Input Adjustment Range: 4dB m) Optical Output: FC/APC Standard, SC/APC Optional n) RF Input Indicator: Tri-color LED 72
Broadband Specification Guide Equipment Specifications Library MICM-45C The modulator shall be a channelized audio/video modulator. It shall have a modular die cast chassis for superior RFI protection and heat dissipation. The modulator shall modulate a nominal 1.0 volt peak to peak, negative sync video source and 140 mV RMS audio source to a CATV channel from 2 to 135. The modulator shall have front panel controls for video, audio modulation levels, aural to visual ratio and output level. The modulator shall be equal to Blonder Tongue MICM-45C and shall meet or exceed the following specifications: a) Frequency Range: 54 to 860 MHz e) C/N In Channel: 60 dB b) Output Level Control: 10 dB f) Output Return Loss: 12 dB Minimum c) Output Level: 45 dBmV Minimum g) Broadband Noise: -90 dBc d) Spurious Outputs: -60 dBc MICM-45S The modulator shall be a channelized stereo audio/video modulator. It shall have a modular die cast chassis for superior RFI protection and heat dissipation. The modulator shall modulate a nominal 1.0 volt peak to peak, negative sync video source and left and right line level stereo audio source to a CATV channel from 2 to 135. The modulator shall have front panel controls for video, audio modulation levels, aural to visual ratio and output level. The modulator shall be equal to Blonder Tongue MICM-45S and shall meet or exceed the following specifications: a) Frequency Range: 54 to 860 MHz b) Output Level: 45 dBmV Minimum c) Output Level Control: 10 dB d) Spurious Outputs: -60 dBc e) C/N In Channel: 60 dB MIDM-806C The demodulator shall be frequency agile, modular in style and built in a die cast chassis. The demodulator shall demodulate NTSC, HRC or IRC cable TV channels to 1 volt peak to peak video and audio signals. The channel tuning shall be via front panel up-down push button channel switches and 2 digit LED display. It shall have a front panel channel mode switch to select off-air or CATV channels. There shall be RF AGC circuitry to compensate for input level variations. The demodulator shall be equal to Blonder Tongue MIDM 806C and shall meet or exceed the following specifications: a) Frequency Range: 54 to 88, 108 to 806 MHz b) Input Level: +2 to 12 dBmV (CATV input) c) Video Output Level : 1 V p-p d) Audio Output Level: 1 V p-p e) Input Impedance: 75 Ω MIRC-4D The rack chassis and UL Listed power supply shall provide four modular slots for mounting and powering compatible UL Recognized components. The rack chassis shall use 1RU of 19 inch rack space. The rack chassis shall be equal to Blonder Tongue MIRC-4D, and shall meet or exceed the following specifications: a) Power Requirements: Input: 100-240 VAC 50/60 Hz Output: 5 VDC &12 VDC @ 1.8 A b) Operating Temperature Range: 0 to 50º C c) Size (W x H x D): 19 X 1.75 x 8.25 in. MIRC-12V/MIPS-12C f) Output Return Loss: 12 dB Minimum g) Broadband Noise: -90 dBc h) Stereo Separation: 25 dB @1KHz The rack chassis and UL Listed power supply shall provide 12 modular slots for mounting and powering compatible UL Recognized components. The rack chassis shall use 2RU of a 19 inch rack space. The rack chassis and power supply shall be equal to Blonder Tongue MIRC-12 and MIPS-12C, and shall meet or exceed the following specifications: a) Power Requirements: Input: 100-240 VAC 50/60 Hz Output: 5 VDC @ 5.5 A, 12 VDC @ 4.0 A b) Operating Temperature Range: 0 to 50º C c) Size (W x H x D): 19 x 3.5 x 7.5 in. 73
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Functional Block Diagram - Blonder Tongue Laboratories Inc.

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