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User Manual for Blonder Tongue FA3M-50-860 Triple Channel Frequency-Agile Audio Video to RF Modulator Click to enlarge the picture
Contents of the user manual for the Blonder Tongue FA3M-50-860 Triple Channel Frequency-Agile
- Product category: RF Equipment Blonder Tongue
- Brand: Blonder Tongue
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Blonder Tongue RF Equipment
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User manual for the Blonder Tongue FA3M-50-860 Triple Channel Frequency-Agile contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Blonder Tongue product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Blonder Tongue user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Blonder Tongue product will considerably shorten its lifespan!
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Product description The 1RU FA3M-50-860 Triple Channel Frequency-Agile Audio/Video to RF Modulator by Blonder Tongue features 3 analog audio and composite video modulator inputs. The 3 inputs can be modulated into any RF carrier channel in the 54 to 860MHz frequency range. The front panel control of each of the 3 modulators allows you to adjust the modulation level as well as to select the channel of your choice. - Rack mountable - 1 EIA (1.75") rack space
- Supports all broadcast and CATV channels, including HRC and IRC assignments from 54 to 860MHz
- Front panel accessible level controls for easy set-up and adjustments
- Fully compatible with BTSC encoded stereo audio
In the Box Blonder Tongue FA3M-50-860 Triple Channel Frequency-Agile Audio/Video to RF Modulator Limited 1-Year Warranty Table of Contents
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Technical parametersBlonder Tongue FA3M-50-860 Specs | | | Frequency Range | 54 - 860 MHz | | Channels | CATV, VHF, UHF (STD,HRC,IRC) | | FCC Offset | 0, +12.5, or 25 kHz (pre-programmed) | | Output Level | +50 dBmV (combined min) | | Output Level Adjust | 15 dB (continuously adjustable, optimum performance at +40 to +50 dBmV) | | Aural/Visual Carrier Ratio | -10 to -17 dB (continuously adjustable) | | Visual Carrier Frequency Tolerance | Standard Channels: ±5 kHz
FCC Aeronautical Channels: ±3 kHz max | | Aural Inter Carrier Frequency | 4.5 MHz ±1 kHz (0 to 50°C) | | Channel Selectivity | Adjacent Aural and Below: -40 dB
Adjacent Picture and Above: -50 dB | | Spurious Outputs | -60 dBc | | C/N Ratio In Channel | 63 dB (4 MHz bandwidth, +50 dBmV output, 3 channels combined) | | Broadband Noise | -70 dBc (4 MHz bandwidth, +50 dBmV output, 3 channels combined) | | Output Impedance | 75 Ω | | Output Return Loss | 12 dB | | | | Input Level | 1.0 V peak to peak (87.5% depth of modulation) | | Frequency Response | -0.5 to +4.2 MHz ±1.0 dB | | Hum Ratio | 65 dB (peak to peak video to RMS) | | Signal-to-Noise Ratio | 62 dB, NTC-7 weighted | | Differential Gain | 2.0 % (87.5% depth of modulation) | | Differential Phase | 1.0° (87.5% depth of modulation) | | C/L Delay Inequality | Meets FCC CATV group delay pre-distortion requirements for color transmission | | Over Modulation Indicator | 87.5, ±2.5 % | | Input Impedance | 75 Ω | | Input Return Loss | 24 dB, min | | | | Input Level | 140 mV RMS (for 25 kHz peak deviation) | | Frequency Range | 20 Hz - 20 kHz | | Pre-Emphasis-Mono | 75 µs | | Frequency Response | ±1.0 dB (referenced to standard 75 µs pre-emphasis) | | If Pre-Emphasis Defeated | +0.5 dB | | Audio Signal-to-Noise | 58 dB (for 25 kHz peak deviation) | | Total Harmonic Distortion | 0.6% (30 Hz - 15 kHz, 25 kHz deviation) | | Over Modulation Indicator | 25, ±2 kHz | | Input Impedance | Greater than 10 KΩ, unbalanced | | | | Power Requirements | 110 - 260 VAC | | Frequency | 47 - 63 Hz | | Temperature Range | 0 to +50°C | | AC Current (l) | 0.32 A for 115 VAC | | Output Voltage | +12 Vdc, + 5 Vdc | | Output Current | 0.7 A max | | | | Audio Input | RCA female | | Video Input | "F" female | | RF Output | "F" female | | | | Channel Selection | Up/down push-buttons | | Video Level | Control | | A/V Ratio | Control | | Audio Level | Control | | RF Output Level | Control | | Channel Selection | Push-button | | | | Display | 2-digit LED, red | | Indicator LEDs | +100 Indicator: LED red
Video Over Modulation: LED, red
Audio Over Modulation: LED, red
Stereo Indicator: LED, green - not used | | | | Dimensions (W x H x D) | 19 x 1.75 x 14.25" (22.86 x 4.45 x 36.20 cm) | | Weight | 7 lb (317 g) | | | | Package Weight | 8.95 lb | | Box Dimensions (LxWxH) | 21.3 x 19.9 x 2.8" |
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