LKM550-1000 High-Frequency Processing Adjacent Frequency Modulator
Product Details:
| Place of Origin | Sichuan, China (Mainland) |
|---|---|
| Brand Name | LIKE |
| Model Number | LKM550-1000 |
Payment & Shipping Terms:
| Minimum Order Quantity: | 100 Set/Sets |
|---|---|
| Payment Terms: | L/C,T/T |
| Supply Ability: | 100 Set/Sets per Week |
Detailed Product Description
Details:
LKM550-1000 adjacent frequency modulator
LKM550-1000 adjacent frequency modulator adopts high-frequency processing mode. It is designed specially for middle and small-size cable TV systems in rural areas. All its indices satisfy requirements of middle and small-size systems. It is characterized by high performance/price ratio and high reliability. It is one of economical adjacent frequency front ends for middle and small-size systems.
Features:
PLL is used for audio phase-locking to guarantee accuracy of audio frequency.
Pre-emphasis circuit is adopted for audio to increase the audio SNR.
Its professional channel saw filter and multistage LC filter truly satisfy requirements of adjacent frequency transmission. Out-band rejection≥70dB.
A/V ratio and output level are adjustable.
Key components are imported while others are purchased from appointed manufacturers.
19-inch standard enclosure with good interchangeability.
Performance Index
1. Video input range | 1Vp-p(all TV signals, positive polarity)) |
2. Video input impedance | 75Ωlotus socket |
3. Audio input range | 0.755V |
4. Audio input impedance | 10KΩunbalanced lotus socket |
5. Modulation degree | ≥85% |
6. Differential gain | ≤2% |
7. Differential phase | ≤2° |
8. Chrom/Lum time delay difference | ≤30ns |
9. Audio Pre-emphasis | 50μs |
10. Video SNR | ≥60dB |
11. Audio SNR | ≥50dB |
12. RF output impedance | 70Ω(ype-F socket) |
13. Output level | ≥113 dBμV |
14. Regulation range of output level | 0-20dB |
15. Carrier frequency accuracy | ±10KHz |
16. Maximum audio frequency offset. | ±50KHz |
17. A/V regulation range | -10-25dBcontinuously adjustable |
18. Out-band Rejection | ≥60 dB |
19. Power | ≤5W |
LKM550-1000 High-Frequency Processing Adjacent Frequency Modulator
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Company Info
Chengdu LIKE Electronics Co., Ltd.
[China (Mainland)]
[Verified Member]
City: Chengdu
Province/State: Sichuan
Country/Region : China (Mainland)
Business Type:Manufacturer, Trading Company, Agent, Distributor/Wholesaler
Online Postings: Products