Blonder Tongue Catv Channelized Audio/video Modulator With Saw Filtering (channel 38)
- Product Code: ga70253
-
The CATV Channelized Audio/Video Modulator, Channel 38, 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 38 |
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) |
Packaging Info | |
Package Weight | 4.5 lb |
Box Dimensions (LxWxH) | 21.5 x 5.5 x 3.5" |
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. Is this one or two stands?
A: This is 1 stand.
Q: 2. 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.
Q: 3. 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: 4. How does it clip into the bag? Is there any photo on the other side of the pouch?
A: Orca uses a proprietary 180-degree locking clip that has a male side on the back of the pouch which attaches to a matching female piece on the Orca audio mixer bags. We will be adding photos to the item page that show the back of the pouch.
Q: 5. What are the dimensions when collapsed?
A: Collapsed length is 20".
Q: 6. 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: 7. which norm handles? pal-B/G pal-N or NTSC? thanks.
A: The Blonder Tongue CATV Channelized Audio/Video Modulator with SAW Filtering SAW is NTSC only.
Q: 8. What is the height between the bottom platform and the bottom of the top platform?
A: According to the manufacturer, the Proaim Atlas V2 Video Production Cart (38"), B&H # PRATLSV238, has 22" of space between the two platforms, with an additional 2.5" of space inside the cart.
Q: 9. Is this the 38" or 48" version? If it's the 38", are there any plans for selling the 48" and the accessories soon?
A: This is the 38-inch version, but we do offer the Proaim 48" Victor Video Production Camera Cart, BH #PRCTVCTR48.
Q: 10. I have the same question, How does it clip into the OR-272 ? I can't find any matching locking piece.
A: Orca Bags use a proprietary, secure 180-degree locking system (shown in the fourth product image) to attach the ORCA OR-38 Small Receiver Pouch to their line of bags.
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