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CATV Modulator

AH2401 is a 24 modular frequency fixed-channel modulator. It will be up to 24 audio and video signals into a road with 24 TV channels RF signals. The product is widely used in hotels, hospitals, schools, electronic teaching, factories, security monitoring, VOD video on demand and other places of entertainment, especially for digital TV analog conversion, and centralized monitoring system.

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Product Introduction

24 in 1 Modulator

AH-2401--1

AH-2401--2

AH-2401--3

AH-2401--4

AH-2401--5

Stable and reliable

AH2401of each channel is completely independent, channel configuration flexibility

Image high frequency and RF local oscillator MCU technique are used, frequency stability and high accuracy

he function of each integrated circuit chips are used, the whole high reliability

High-quality power supply, 7x24 hour stability
Specification

Frequency	47～862MHz
Output Level	≥105dB μV
Output Level Adj. Range	0～-20dB (Adjustable)
A/V Ratio	-10dB～-30dB (Adjustable)
Output Impedance	75 Ω
Spurious Output	≥60dB
Frequency Accuracy	≤±10KHz
Output Return Loss	≥12dB(VHF); ≥10dB(UHF)
Video Input Level	1.0Vp-p(87.5% Modulation)
Input Impedance	75 Ω
Differential Gain	≤5%(87.5% Modulation)
Differential Phase	≤5 °(87.5% Modulation)
Group Delay	≤45 ns
Visual Flatness	±1dB
Depth Adjust	0～90%
Video S/N	≥55dB
Audio Input Level	1Vp-p(±50KHz)
Audio Input Impedance	600 Ω
Audio S/N	≥57dB
Audio Pre- emphasis	50 μs
Rack	19 Inch standard

Factory Picture

product-800-1121

FAQ

1. What are the payment terms that you support?

Usually, we accept T/T, PayPal, Western Union, and Alibaba Trade Assurance. You can select the terms of payment which is more convenient for you.

2. What about the lead time?

Usually, if there's stock, we ship the goods within 3~5 working days after the deposit is confirmed. If it is out of stock, the lead time depends.

3. How about the shipping?

When the package is small, we normally choose FedEx, DHL, TNT, and UPS and so on, while the goods have high weight and volume, we suggest using air or sea shipment.

Specifications:

Reflection	Output frequency range	45-870MHz
	Frequency accuracy	± 5kHz
	Output level	113dBμV
	Side-band suppression	≥60dB
	Output impedance	75 Ω
	Video to audio carrier ratio	-10dB ~ -20dB
Video Frequency	Input level	0.6 ~ 1.5Vp-p
	Input impedance	75 Ω
	Input reflection	30dB min
	K coefficient	4 % max ( 2T pulse )
	Video s/n	50dB
	C/L delay	40nsec
	Frequency response	± 1dB
	Differential gain	± 4 % ( modulator 87.5 % )
	Differential phase	± 4° ( modulator87.5 % )
Audio Frequency	Input level	-10 ~ 10 dBm
	Input impedance	10K Ω min
	Frequency response	± 1dB
	Distortion	1 %