Blonder Tongue Catv Channelized Audio/video Modulator With Saw Filtering (channel 42)
- Product Code: ga70257
-
The CATV Channelized Audio/Video Modulator, Channel 42, from Blonder Tongue is an all-solid-state audio/video modulator that provides a modulated visual and aural RF carrier output on one specific CATV channel. The unit modulates the audio and video inputs and provides the requested RF CATV channel output for use in a CATV, MATV or SMATV system. The modulator accepts standard (sync negative) polarity video at a 0.7-2.5V peak to peak level from sources such as a TV camera, video tape recorder, TV demodulator or satellite receiver.
The modulator features a +55dBmV RF output level, and an IF SAW filtering for adjacent channel operation. All aeronautical channels are offset positive with a tolerance of ±5kHz as required by FCC 21006. All level controls are located on the front panel. The RF level control provides up to +55dBmV output. The video modulator control sets the depth of modulation for 87.5% over an input video level range from 0.7VP/p to 2.5VP/p. An audio modulation control permits adjustment for ±25kHz peak deviation of the aural carrier.
RF Specification | |
---|---|
Frequency Range | CATV channel 42 |
Output Level | 55 dBmV, minimum |
Output Level Range | 15 dB |
Audio/Video Carrier Ratio Control | -7 dB to -20 dB |
Frequency Tolerance | ±10 kHz standard channels, ±5 kHz FCC 21006 offsets |
Audio Carrier Frequency Setting | ±1 kHz maximum, 4.5 MHz above video carrier |
RF to Video Response | 1 dB P/V from Fv -0.5 MHz to Fv +4.2 MHz |
Broadband Noise | -90 dBc |
Spurious Output | -60 dBc in 50 to 860 MHz Range @ +55 dBmV output |
Output Match (Return Loss) | 12 dBc |
Vestigial Sideband Response | @ channel edge -20 dB, @ adjacent channel -40 dB |
Video | |
Input | 0.7 to 2.5 V peak to peak for 87.5% modulation |
Input Return Loss | 18 dB |
Carrier-to-Noise Ratio | 62 dB in 4 MHz bandwidth |
Hum Ratio | 60 dB peak to peak video to 60 Hz RMS |
Differential Gain | 5% at 87.5% modulation |
Differential Phase | 5° at 87.5% modulation |
Group Delay | 170 ±50 nS |
Audio | |
Input Impedance | 10 kΩ, unbalanced |
Input | 140 mV RMS for 25 kHz peak deviation |
Frequency Response | ±1.0 dB (50 Hz - 15 kHz referent to standard 75 msec pre-emphasis) |
Intercarrier Stability | 4.5 MHz at ±5.0 kHz |
General | |
Power Requirements | 105 - 130 VAC, 60 Hz, 10.5 W |
Temperature Range | 0 to +50°C |
Connectors | |
Audio In | F-type female |
Video In | F-type female |
RF Output | F-type female |
RF Output Test | F-type female -30 dB |
AC Outlet | Female AC outlet 600 VA maximum |
Mechanical | |
Line Cord | 6' power cable: 3 wire grounded, 3 wire convenience outlet |
Dimensions | 19 x 1.75 x 3" (48.26 x 4.44 x 7.62 cm) |
Weight | 4 lb (1.8 kg) |
Meets FCC docket 21006 aeronautical frequency offset requirements
Fully compatible with BTSC encoded stereo audio
Front panel accessible level controls for easy set-up and adjustments
AC outlet
Related Questions and Answers
Q: 1. does it have 2 seperate audio programe monitoring?
A: You get simultaneous monitoring of up to four audio sources on four analog inputs with voice quality fidelity.
Q: 2. Will the USB-C output be recognized by Zoom for both video and audio?
A: Yes, with the USB-C output connecting to your computer, Zoom should be able to recognize the device as a video and audio capture.
Q: 3. What's the weight capacity? Your specs say 661lb, but Proaim's site says 440.9lb.
A: The Proaim Victor V1.1 Video Production Camera Cart (48") BH #PRVCTRV148 has a weight capacity of 440.9 lb / 200.0 kg.
Q: 4. i want to terminate 21 tv rg6u cables to two splitters in my residence will a cable tronics cta-35 /1000 pr amphlifer help ?
A: No, the CableTronix CTA-35/1000PR CATV Distribution Amplifier will not work for your needs. Based on your request you will need the CableTronix CT-BDA24 for this installation. CableTronix CT-BDA24 1 GHz Single Input/Output Multimedia Drop Amplifier with Adjustable Gain Control and Switchable FM Trap BH #CACTBDA24
Q: 5. Can the side panels on the top shelf be removed so that one could use the top shelf as a desk, with a keyboard for instance?
A: Unfortunately, the side panels cannot be removed on this model.
Q: 6. Is it work over Internet? Then Please send me how it pair with its encoder.
A: Yes, this decoder is Wi-Fi enabled and can be accessed via web browser or iVMS 4200 client software. Detailed instructions can be found in this doc on pgs 13-20: https://us.hikvision.com/sites/default/files/ud05526b_baseline_user_manual_of_ds-6900udi_series_decoder_v2.1.0_20170713_0.pdf
Q: 7. Can this switcher stream directly to the internet like the Blackmagic Mini?
A: The AVmatrix Micro 4-Channel HDMI & DP Video Switcher features an USB-C Out for Capture & Streaming, which could be used to directly connect it to a computer, for live streaming purposes over the internet.
Q: 8. Can residential input coaxial cables (TV, weather station, etc) convert directly to RJ45/RJ11 connector for indoor weather station console? VideoEase CATV Balun II appears to do this. Thank you...
A: Yes, you are able to use your standard coax cable and convert the signal to RJ-45.
Q: 9. Are the inputs a mic or line? Can a microphone cable be plugged into this unit and be heard from the speakers? Thanks.
A: The Wohler VMQ4 4 Channel Audio Monitor is expecting a line level signal into its Phoenix input connections and would not power a microphone directly.
Q: 10. Does this device require power if used for POE cameras?
A: This will not transmit any POE. This is meant to convert a COAX signal and allow you to transmit the signal over Cat5.
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