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LG Electronics U250 service manual 3Receiver GSM Mode

Models: U250

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2. PERFORMANCE

No

Item

Specification

 

 

 

13

Adjacent Channel Leakage Ratio(ACLR)

33dB@5MHz, ACP>-50dBm

43dB@10MHz, ACP>-50dBm

 

 

 

 

 

 

 

-36dBm@f=9~150KHz, 1K BW

 

 

-36dBm@f=50KHz~30MHz, 10K BW

 

 

-36dBm@f=30MHz~1000MHz, 100K BW

14

Spurious Emissions

-30dBm@f=1~12.5GHz, 1M BW

(*: additional requirement)

(*)-41dBm@f=1893.5~1919.6MHz, 300K

 

 

 

(*)-67dBm@f=925~935MHz, 100K BW

 

 

(*)-79dBm@f=935~960MHz, 100K BW

 

 

(*)-71dBm@f=1805~1880MHz, 100K BW

 

 

 

15

Transmit Intermodulation

-31dBc@5MHz,Interferer -40dBc

-41dBc@10MHz, Interferer -40dBc

 

 

 

 

 

16

Error Vector Magnitude (EVM)

17.5%(>-20dBm)

(@12.2K, 1DPDCH+1DPCCH)

 

 

 

 

 

17

Transmit OFF Power

-15dB@SF=4.768Kbps, Multi-code

transmission

 

 

 

 

 

3)Receiver - GSM Mode

No

Item

 

GSM

 

DCS & PCS

 

 

 

 

 

 

 

 

1

Sensitivity (TCH/FS Class II)

-105dBm

 

-105dBm

 

 

 

 

 

 

2

Co-Channel Rejection

C/Ic=7dB

 

Storage -30 ~ +85

(TCH/FS Class II, RBER, TU high/FH)

 

 

 

 

 

 

 

 

 

 

 

 

3

Adjacent Channel

 

200kHz

C/Ia1=-12dB

 

C/Ia1=-12dB

 

 

 

 

 

 

 

 

Rejection

 

400kHz

C/Ia2=-44dB

 

C/Ia2=-44dB

 

 

 

 

 

 

 

 

 

 

 

Wanted Signal :-98dBm 1st

 

Wanted Signal :-96dBm 1st

4

Intermodulation Rejection

interferer:-44dBm 2nd

 

interferer:-44dBm 2nd

 

 

 

 

interferer:-45dBm

 

interferer:-44dBm

 

 

 

 

 

 

5

Blocking Response

Wanted Signal :-101dBm

 

Wanted Signal :-101dBm

(TCH/FS Class II, RBER)

Unwanted : Depend on Frequency

 

Unwanted : Depend on Frequency

 

 

 

 

 

 

 

 

 

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LG Electronics U250 service manual 3Receiver GSM Mode
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U250 specifications

The LG Electronics U250 is a distinguished device known for its cutting-edge features and innovative technologies within the mobile phone sector. Launched as part of LG's effort to cater to a growing demand for functional yet stylish smartphones, the U250 boasts an array of characteristics that appeal to a savvy clientele.

One of the primary features of the U250 is its impressive display. Sporting a vibrant screen that offers excellent color reproduction and clarity, it enhances the user experience for gaming and multimedia consumption. The responsive touchscreen interface allows for seamless navigation, making it user-friendly for all age groups.

The U250 is powered by a robust processor that ensures smooth performance, whether multitasking between applications or running demanding games. With ample RAM, it minimizes lag and enhances the overall operating experience, allowing users to switch effortlessly between tasks.

Photography enthusiasts will appreciate the U250's advanced camera system. It is equipped with a high-resolution primary camera that captures stunning images in various lighting conditions. The inclusion of features like autofocus and image stabilization significantly elevates the quality of photos and videos. Additionally, the front-facing camera is designed for high-quality selfies and video calls, ensuring that users can always stay connected.

The device supports a range of connectivity options, including 4G LTE, Bluetooth, and Wi-Fi, ensuring users can remain connected to the world around them. The integration of NFC technology also enables quick and convenient transactions, particularly useful in a cashless society.

Battery life is another standout characteristic of the U250. With a durable battery, it offers extended usage time, allowing users to go through their day without the constant worry of recharging. Coupled with fast-charging capabilities, it reduces downtime significantly.

The LG U250 runs on an intuitive operating system that provides easy access to a plethora of apps on the platform. Customization options are abundant, allowing users to tailor their device's appearance and functionality to suit their preferences.

In conclusion, the LG Electronics U250 combines striking design with versatile functionality, making it a formidable entry in the smartphone market. With its impressive display, powerful performance, advanced camera features, and strong battery life, the U250 is poised to meet the needs of modern users seeking both style and substance in a mobile device. Whether for work or leisure, this smartphone is designed to enhance everyday life.