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Blonder Tongue Catv Modulator Saw Filtering Channel 49

Blonder Tongue Catv Modulator Saw Filtering Channel 49
  • Product Code: eq70241
  • Availability: In Stock

$449.85 $539.82

The Blonder Tongue CATV Modulator SAW Filtering Channel 49from Blonder Tongue CATV Modulator SAW Filtering Channel 49is 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 RangeCATV channel 49
Output Level55 dBmV, minimum
Output Level Range15 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 Response1 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
Input0.7 to 2.5 V peak to peak for 87.5% modulation
Input Return Loss18 dB
Carrier-to-Noise Ratio62 dB in 4 MHz bandwidth
Hum Ratio60 dB peak to peak video to 60 Hz RMS
Differential Gain5% at 87.5% modulation
Differential Phase5° at 87.5% modulation
Group Delay170 ±50 nS
Audio
Input Impedance10 kΩ, unbalanced
Input140 mV RMS for 25 kHz peak deviation
Frequency Response±1.0 dB (50 Hz - 15 kHz referent to standard 75 msec pre-emphasis)
Intercarrier Stability4.5 MHz at ±5.0 kHz
General
Power Requirements105 - 130 VAC, 60 Hz, 10.5 W
Temperature Range0 to +50°C
Connectors
Audio InF-type female
Video InF-type female
RF OutputF-type female
RF Output TestF-type female -30 dB
AC OutletFemale AC outlet 600 VA maximum
Mechanical
Line Cord6' power cable: 3 wire grounded, 3 wire convenience outlet
Dimensions19 x 1.75 x 3" (48.26 x 4.44 x 7.62 cm)
Weight4 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. What lens cover do I need for my Canon 50 mm 1.4 lens?

A: For that lens you would need a 58mm cap

Q: 2. Is this a real Canon lens cap, or is it a good copy of it?

A: The Canon E-49 Lens Cap is a Canon brand front lens cap.

Q: 3. Will it fit a canon t5i 18-55mm stm lens???

A: Hello, the 18-55mm STM lens needs a 58mm lens cap. Please see the attached item.

Q: 4. Will it fit for 15-45 efm lens?

A: Yes, I purchased specifically for this lens.

Q: 5. Will this cap fit my Rebel T7 esf 18-55mm lens?

A: The 18-55 Canon lens uses 58mm caps and filters. Please take a look at the following link: https://bhpho.to/3Pz49eB

Q: 6. Can I use the HPC-12 to combine in-ear monitor transmitters into one antenna?

A: So that we may best assist you, please email us at provideo@bhphoto.com.

Q: 7. Will this fit the 50 mm 1.4 lens?

A: No... it's too small.

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. What size lens cover do I need for my 50.8 mm

A: If you have a 50mm 1.8, then yes, it takes a 49mm cap.

Q: 10. Will this cap fit the Canon EF 50MM 1:1.8 II 52 mm lens?

A: Hi Kanhika, I believe it won't fit your lens. As It sounds like your lens has a 52mm filter thread...

06/08/2024

[-7 dB to -20 dB] I have Denon & Atmos speaker setup, cablebox from Comcast & a subwoofer. The cheap $20 isolator available online didn't do a good job since comcast signal was degraded per their tech. He said that it introduced some noise feed back to their other customers. Not sure how much of that is true but he did say that if I were to get an isolator get something over 1000mhz and this one fit the spec. I installed it and so far all is great. No issues.

5
05/08/2024

[CATV channel 49] I get what I ordered on time and it does the job.

5
09/07/2024

[18 dB] We got a new cable box for the home theatre and with it a ground loop hum. This filter worked perfectly to get rid of the hum and did not interfere with the digital cable programming

5
22/04/2024

[0 to +50°C] What can you say? No more hummmmmm.

5

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