JM-4860 4 Channels Economy Agile Modulator (Adjacent); radio broadcast equipment

Location:
shenzhenChina (, Mainland)
Status:
New
Sample Availibility:
yes
Payment Terms:
Cash, Bank Transfer, Letter of Credit, T/T, L/C

Product Description

JM-4860 4 Channels Economy Agile Modulator (Adjacent); TV Modulator;radio broadcast equipment

Features

1. 4 audio/video input, one RF output from 45--860MHz

2. Intermediate frequency, twice conversion frequency and with saw filter, low side-band interfere.
3. MCU technique is applied to audio intermediate frequency, video high frequency process and RF

local oscillator, with high stability and accuracy.

4. Integrated circuit is applied to outputs, and each functional circuit of the overall unit adopts SMT technology, with high security.

5. LED displays frequency, using up and down button to select any preference frequency or channel.

6. Convenient control, all frequency level adjustments on front panel.

7. High efficiency power supply.

8. We can offer different TV system standard according to the customer’s need.

Specifications

reflection

output frequency range

47-- 860MHz

frequency accuracy

± 5kHz

output level

95 dBμV

out of band suppression

- 60dBc max

output impedance

75 Ω

input reflection

12dB min. in any frequency

video

frequency

video to audio carrier ratio

18 ± 2dB

input level

0.6 ~ 1.5Vp-p

input impedance

75Ω

input reflection

30dB min.

video s/n

60dB

C/L delay

45nsec

frequency response

± 1dB

differential gain

± 5 % ( modulator 87.5 % )

differential phase

± 5 ° (modulator 87.5 % )

audio

frequency

input level

-10 ~ 10 dBm

input impedance

10KΩ min.

frequency response

± 1dB

distortion

1 %

signal to noise ratio

-60dB

audio video difference

according to TV system standard

power supply

voltage

110 ~ 245V

power supply watt loss

15W max.



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Contact Information

Company:
 Shenzhen Detaik Technology Co., Ltd.
Phone Number:
  0086-755-83987065-8188
Fax Number:
 0086-755-83987365