2157
PLL LNB with AGC L.O. 11.8
Short description
PLL LNB with AGC L.O. 11.8 is professional low noise block down converter with automatic gain control, wide dynamic range of up to 50 dB (biggest among any other LNB). AGC range of 25 dB, LO instability of 50 kHz, Gain (min) of 40 dB.
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Description
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UMT presents new PLL LNB with AGC L.O. 11.8.
It is professional LNB which has the following advantages comparing with old one: wide dynamic range – up to 50 dB (biggest among any other LNB). AGC range: 25 dB, LO instability: 50 kHz, Gain (min): 40 dB.
PLL LNB with AGC L.O. 11.8 is professional low noise block down converter with automatic gain control designed for MVDS / MITRIS TV broadcasting systems (links and repeaters) application in which the signal stability is very important. In addition, PLL LNB with AGC has wide dynamic range (power at the input) which is the biggest among other LNBs.
LO: 11.8 GHz IN: 12.75 – 13.55 GHz OUT: 950 – 1750 MHz
New PLL LNB with AGC has the following advantages comparing with old one:
- higher level stability
- higher frequency stability
- wider dynamic range – up to 50 dB (biggest among any other LNB)
- less weight and dimensions
- less price
KEY FEATURES:
- Wide dynamic range (power at the input) – up to 50 dB (biggest among any other LNB)
- AGC range: 25 dB
- Waveguide: WR75
- Flange: PBR120
- 75 Ohm F-type or 50 Ohm N-type output connector
| Input parameters: | |
|---|---|
| Input Frequency range | 12.75 – 13.55 |
| Input level range | – 65 … -15 dBm |
| Input VSWR, max | 1.8 |
| Input interface | Waveguide WR75, Flange UBR120 |
| Local Oscillator: | |
| LO frequency | 11.8 |
| LO Phase noise: | |
| @1 kHz | -77 dBc/Hz |
| @10 kHz | -87 dBc/Hz |
| @100 kHz | -97 dBc/Hz |
| LO instability | ± 100 kHz (or by order) |
| Output parameters: | |
| Output frequency range | 950 – 1750 MHz |
| Output Power @P1dB | 0 dBm |
| Gain, min | 40 dB |
| Output interface | N/F-type female (by order) |
| Output impedance | 50/75 Ohm |
| Output VSWR, max | 1.8 : 1 |
| Frequency Response: | |
| Flatness over Full Band | 3 dB |
| Flatness over 27MHz Band | 0.5 dB |
| Spurious: | |
| Noise figure given to the input, no more | 5.0 dB |
| LO leakage, max | -50 dBm |
| Image rejection, min | 60 dBc |
| Power Supply: | |
| Input voltage | 15 VDC – 30 VDC, nominal 18 VDC |
| Power consumption, max | 5 W |
| Environmental: | |
| Operating temperature | –40℃ to +60℃ (–40℉ to +140℉) |
| Storage temperature | –40℃ to +80℃ (–40℉ to +176℉) |
| Operating humidity | 0% – 95% |
| Mechanical | |
| Dimensions (W x H x D) | 59x41x144 mm |
| Weight | 0.4 kg |
The Ku-band PLL LNB with AGC 11.8 is a professional Low Noise Block Downconverter designed for advanced broadcasting infrastructures that require maximum signal stability. Operating with 12.75-13.55 GHz input and converting to 950-1750 MHz IF, this Ku-band AGC LNB ensures reliable downlink performance with minimal interference. Thanks to its 25 dB automatic gain control and wide 50 dB dynamic range, it provides superior performance compared to older-generation LNBs.
Equipped with a precision PLL oscillator, the Ku-band LNB with AGC 11.8 maintains ±100 kHz LO stability and low phase noise for professional DVB-S2 and DVB-C reception. Supporting up to 25 carriers, this unit is optimized for MVDS and MITRIS TV networks, CATV headends and telecom downlinks.
The Ku-band PLL LNB with AGC 11.8 delivers ≥40 dB gain, ≤5 dB noise figure and ≥60 dBc image rejection, ensuring clean and stable reception. With WR75 waveguide input, PBR120 flange and flexible F-type 75 Ohm or N-type 50 Ohm outputs, it integrates seamlessly into modern broadcast infrastructures.
✅ High-Performance Ku-band PLL AGC LNB 11.8 for Professional Systems
The Ku-band PLL LNB with AGC 11.8 delivers ≥40 dB gain, ≤5 dB noise figure and ≥60 dBc image rejection, ensuring clean and stable reception. With WR75 waveguide input, PBR120 flange and flexible F-type 75 Ohm or N-type 50 Ohm outputs, it integrates seamlessly into modern broadcast infrastructures.
✅ Engineered for outdoor deployment
The robust waterproof housing protects the LNB in harsh outdoor conditions, operating reliably from -40 °C to +60 °C. Its compact 0.4 kg design and durable construction make it ideal for installations in remote broadcasting and telecom sites.
✅ Multi-standard compatibility
The Ku-band PLL AGC LNB 11.8 supports DVB-S, DVB-S2 and DVB-C reception, providing flexibility for MVDS/MITRIS distribution systems, satellite rebroadcasting and CATV headends.
🛠️ Whether you need a Ku-band PLL AGC LNB with 11.8 GHz LO, a professional Ku-band LNB with 25 dB AGC range, or a rugged outdoor Low Noise Block Downconverter with WR75 PBR120 flange for DVB-S/S2/C broadcasting, the LNB with AGC 11.8 is engineered for performance, stability and reliability.
🛒 The Ku-band PLL AGC LNB 11.8 is available to order now – ready for integration into DVB-S/S2/C and MVDS/MITRIS broadcasting networks.
📌 Key Features
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Wide dynamic range Ku-band PLL AGC LNB 11.8 up to 50 dB
This model provides the broadest dynamic range among Ku-band AGC LNBs, maintaining reliable performance under significant input power variations. Such stability ensures consistent reception in DVB-S2 and professional rebroadcasting environments.
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Automatic Gain Control with 25 dB regulation
The integrated AGC circuit automatically adapts output levels across 25 dB of input fluctuation. This guarantees consistent operation in MVDS/MITRIS systems and prevents overload distortion in CATV infrastructures.
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Ku-band PLL AGC LNB with low phase noise and ±100 kHz LO stability
Its precision PLL oscillator minimizes jitter and frequency drift, ensuring accurate downconversion. This stability allows flawless demodulation of DVB-S2 and DVB-C signals across multiple carriers.
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Professional Ku-band LNB with ≥40 dB gain and flat spectral response
The strong amplification combined with flatness across the band provides steady signal levels. Such performance is critical for high-quality broadcasting and telecom applications.
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WR75 PBR120 flange input and F-type/N-type output flexibility
With WR75 waveguide input and PBR120 flange, along with selectable F-type or N-type outputs, the LNB integrates easily into professional infrastructures. This ensures compatibility with both 50 Ohm and 75 Ohm systems.
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Ku-band AGC LNB with ≤5 dB noise figure and ≥60 dBc image rejection
By minimizing noise and suppressing unwanted images, this LNB ensures clean and accurate signal reception. This is particularly valuable in dense RF environments.
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Rugged outdoor-ready Ku-band PLL AGC LNB 11.8
Its waterproof design and compact size of 59×41×144 mm ensure reliable long-term operation. With 0.4 kg weight, the unit is suitable for both fixed and remote outdoor deployments.
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Multi-carrier Ku-band PLL AGC LNB supporting up to 25 carriers
This LNB enables high-density signal reception for rebroadcast networks, CATV headends and telecom operators. Its multi-carrier capability provides efficiency in modern broadcasting infrastructures.
⚙️ Main Functions
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Downconversion from 12.75-13.55 GHz input to 950-1750 MHz IF output
The Ku-band PLL AGC LNB 11.8 converts Ku-band signals into L-band frequencies, ensuring compatibility with CATV and DVB-S2 systems.
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Automatic Gain Control with steady regulation
By adjusting output levels within a 25 dB range, the AGC function guarantees stable signal quality even in fluctuating power conditions. This improves system reliability for professional broadcasting.
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PLL oscillator at 11.8 GHz with low phase noise
The precision local oscillator ensures high frequency stability with minimal phase distortion. This performance is vital for advanced modulation formats in telecom and satellite networks.
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Integrated amplification with minimal ripple response
With ≤0.5 dB ripple over 27 MHz, the LNB ensures clean output for CATV and satellite distribution systems. Such accuracy guarantees distortion-free digital broadcasting.
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Support for DVB-S, DVB-S2 and DVB-C standards
The Ku-band PLL AGC LNB 11.8 is designed for universal broadcasting compatibility. It can be deployed in diverse infrastructures without the need for major upgrades.
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Durable operation with 15-30 V DC input
Consuming only 5 W, this LNB operates efficiently under a wide voltage range. Its robust design ensures reliability for both local and remote professional deployments.
🧩 Applications
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Ku-band PLL AGC LNB 11.8 for DVB-S/S2/C broadcasting
Optimized for stable downlink reception, this LNB ensures high-quality signal conversion for professional broadcast networks.
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MVDS and MITRIS distribution with Ku-band PLL AGC LNB 11.8
The wide dynamic range and automatic gain control make it a reliable choice for terrestrial rebroadcasting systems.
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CATV headend integration using Ku-band AGC LNB 11.8
Its stable IF output and wide AGC range allow efficient handling of multiple carriers in CATV networks.
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Satellite communication and telecom downlinks
With high frequency stability and strong image rejection, this LNB is ideal for telecom operators and satellite infrastructures.
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Outdoor Ku-band AGC LNB 11.8 for extreme conditions
The rugged housing guarantees dependable performance in harsh climates, from maritime to desert environments.
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Compact Ku-band PLL AGC LNB 11.8 for OEM use
Its 0.4 kg lightweight design and compact dimensions make it suitable for system integrators and modular broadcasting solutions.
💡 Why you should buy from us❓
- 1.5 years warranty
- 7 years after-sales support
- Remote support team of engineers
- Discount program for regular customers 🎁
💬 Contact Us
For additional details or assistance regarding the Ku-band PLL AGC LNB 11.8, feel free to contact our team. We provide professional consultation and aftersales support to help with installation and setup, ensuring you get the most out of your broadcasting equipment. Ku-band PLL AGC LNB 11.8 is available to customize its parameters by order.
Taking into consideration that we (UMT LLC) are developer and system integrator, also do not stop on our technical growth and improvement, know that view of all our devices and equipment including their technical parameters may be different from pictures presented on website and parameters listed on each device webpage.
Note! All details customer has to confirm in advance during ordering and before payment. Those parameters that were not specified and / or were not agreed while ordering will be implemented as basic at the discretion of the manufacturer. Each our customer has 1.5 year warranty and 7 year aftersales support for whole range of our products.
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