Economy Fixed Channel Adjacent Frequency Modulator

Economy Fixed Channel Adjacent Frequency Modulator
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Economy Fixed Channel Adjacent Frequency Modulator price
Economy Fixed Channel Adjacent Frequency Modulator high quality

Economy Fixed Channel Adjacent Frequency Modulator

Product Features 1. Intermediate frequency, high functional index. 2. Be processed with 2 saw filters. 3. PLL technique is applied to audio and RF local oscillator, high frequency stability and high accuracy. 4. MMIC circuits are on key parts and SWT technology is applied to the overall unit. 5. Digital display channel. 6. Output adopts screw filters. 7. Output level adjustment and A/V adjustment are designed ahead. 8. With high security and high temperature stability. 9. High capability and competitive price. 10.We can make different channels according to the customer requests.

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Product Introduction

Product Description

Ah-2000m Economy Fixed Channel Adjacent Frequency Modulator 45-870MHz CATV RF Modulator

Product Features

1. Intermediate frequency, high functional index.
2. Be processed with 2 saw filters.
3. PLL technique is applied to audio and RF local oscillator,

high frequency stability and high accuracy.
4. MMIC circuits are on key parts and SWT technology is applied to the overall unit.
5. Digital display channel.
6. Output adopts screw filters.
7. Output level adjustment and A/V adjustment are designed ahead.

8. With high security and high temperature stability.
9. High capability and competitive price.
10.We can make different channels according to the customer requests.

Specification

reflection	output frequencyrange	45-870MHz any frequency
	frequency accuracy	± 5KHz
	output level	113dBmV
	out of band suppression	≥60dB
	side-band suppression	≥60dB
	output impedance	75 Ω
	video to audio carrier ratio	-10dB ~ -20dB
video frequency	input lever	0.6 ~ 1.5Vp-p
	input impedance	75 Ω
	input reflection	30dB min
	Kcoefficient	4 % max (2T pulse )
	video s/n	50dB ( no emphasis )
	C/L delay	40nsec
	frequency response	± 1dB(25Hz ~5.8MHz)
	differential gain	± 4% (modulation 87.5 )
	differential phase	± 4°
audio frequency	input level	-10 ~ 10 dBm
	input impedance	10KΩ min
	frequency response	± 1dBmax(40Hz ~15KHz)
	distortion	0.5%
	signal to noise radio	-60dB
	audio picture interval	according to the style
power supply	voltage	110Vor 220V

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Specification:

Frequency	47～862MHz
Output Level	≥100dB 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

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