Chengdu Guoteng Electronic Technology Co., Ltd., which is committed to the design and development of integrated circuit chips and systems, has launched a series of standard-definition and high-definition video decoding, video encoding chips, and high-speed video data transmission serdes chips with LVDS as the interface. The chip, the GM7123 high-speed video DAC chip and the GM7121 video encoding circuit, and the LVDS data transmission chips GM8283 / 4 and GM8025 / GM8226 are bringing more excellent choices for domestic devices, all of which are industrial-grade quality grades. Video signal decoding chip The video signal decoding chip GM7113C can realize the decoding function of the video signal. The quality level is industrial grade. It is widely used in network visual terminals, video surveillance systems, automotive video electronics, building visual systems, video acquisition systems. For the current mainstream USB acquisition The card scheme has been extensively and thoroughly verified. The chip adopts CMOS technology and connects to PC or DSP through I2C bus to form an application system. Internally contains differential analog processing channels, which can encode and decode CVBS and S-Video video signal sources, realize anti-aliasing filtering, A / D conversion, automatic clamping, automatic gain control, PAL / NTSC automatic identification, brightness / Contrast / saturation control (BCS) and other functions, including low-pass, band-pass and other filters can achieve effective separation of brightness and chroma. characteristic Power supply voltage: 3.3V Working environment temperature: -40 ℃ ～ 85 ℃ Working frequency: 24.576MHz Input port compatible with TTL level 4 analog inputs and internal analog source selectors, such as 4 × CVBS, 2 × Y / C, (1 × Y / C and 2 × CVBS) Contains two analog processing channels in differential CMOS mode, two 9-bit CMOS video A / D converters Programmable static gain or automatic gain control for the selected channel Automatic 50 / 60Hz field frequency detection and automatic conversion between standard PAL and NTSC With boundary scan circuit With I2C bus On-chip brightness, contrast, and saturation (BCS) control Real-time status information output (RTCO) The VPO data bus data output format is ITU 656 Package: LQFP44 Application circuit diagram High-speed video DAC Industrial-quality high-speed video DAC GM7123 is a 3-channel 10-bit high-speed video DAC chip with a frequency of 330MHz. It is compatible with RS-343A / RS-170 standard differential output, and the output current range is 2mA to 26mA. The input is compatible with 3.3V TTL level, internal reference 1.23V, single power supply 3.3V power supply. When the clock is 50MHz, the SFDR of the output signal 1MHz can reach 70dB, and when the clock is 140MHz, the SFDR of the output signal 40MHz can reach 53dB. characteristic Power supply voltage: 3.3V Working environment temperature: -40 ℃ ～ 85 ℃ Working frequency: 330MHz Input high and low level: compatible with 3.3V TTL level Comes with 3 separate 10-bit data input ports Can handle video control signals With power saving mode DAC adopts differential output, the output current range is 2mA ～ 26mA 3-way 10-bit DAC circuit Comes with 3 separate 10-bit data input ports Package: LQFP48 Application note Main applications: digital video systems (1600 × 1200 @ 100Hz), high-resolution color graphics, digital proportional modulation, image processing, and video signal reconstruction. Video encoding chip GM7121 video encoding circuit can encode 8-bit CCIR656 format YCbCr data (such as MPEG decoded data) into luma Y and chrominance signal C, and composite CVBS signal, and output after D / A conversion. The product includes functional modules such as subcarrier generation, color difference signal modulation, synchronization signal interpolation, and D / A. The quality grade is industrial grade. Mainly used in: image processing, various airborne, vehicle-mounted display equipment, monitoring display equipment. LVDS data transmission chip LVDS data transmission chips are mainly used in video image data transmission systems such as optical transceivers. GM8283 / 4 Product Overview The function of GM8283 / 4 28-bit programmable data strobe Channel-Link transmitter / receiver is to parallel 28-bit LVTTL with 7: 1/1: 1: 7 compression / decompression ratio under the action of parallel synchronous clock Data / 4-pair LVDS serial data encoding / decoding is 4-pair LVDS serial data / 28-bit parallel LVTTL data. The input clock frequency range is 20MHz ～ 85MHz. GM8283 / 4 has the feature of selectable trigger edge. The device quality level is industrial grade. characteristic Power supply voltage: 3.3V Working environment temperature: -40 ℃ ～ 85 ℃ Input clock frequency: 20MHz ～ 85MHz Maximum data rate: 2380Mbps GM8025 / GM8226 Product Overview The industrial-quality GMH921025 / 921226 10-bit programmable trigger embedded clock / clock recovery bus transmitter / receiver completes the function, with a compression ratio / decompression ratio of 12: 1/1: 1: 12, and 10-bit parallel LVTTL data And clock bit / 1 pair of LVDS serial data encoding / decoding is a pair of LVDS serial data / 10 bit parallel LVTTL data and a LVTTL clock. The input clock frequency range is 20MHz ～ 80MHz. characteristic Power supply voltage: 3.3V Working environment temperature: -40 ℃ ～ 85 ℃ Input clock frequency: 20MHz ～ 80MHz Maximum data rate: 800Mbps Package: BGA49
TV Antenna Description
1. Receives free broadcast High Definition TV signals (such as ABC, CBS, NBC, PBS, and Fox).
7. Specially designed circuit produces exceptional reception with compact size.
TV Antenna Specification
Frequency Range (MHz): 174-230MHz /470-862MHz
Picture show
TV Antenna TV Antenna, Digital Indoor TV Antenna, Outdoor TV Antenna Manufacturers and Suppliers in China Shenzhen Yetnorson Technology Co., Ltd. , http://www.yetnorson.com
2. UHF/VHF indoor antenna,
Suitable for DTV/HDTV/HD/DTC receiver, also support PC and NB when with connect.
3. Easily hidden behind a picture, bookshelf or television.
4. Fast and easy set up with 3 steps - Unwrap, Plug it in and Scan channels.
5. Very convenient,You can put it higher on wall; lay flat on table; place it high on window (strongly recommended), and it will provide you with opportunities to watch crystal clear digital & HD shows! If you don't want to mount the antenna on the wall/window.
6. If your location's HDTV digital terrestrial signal is weak or your place is far away from broadcast tower, you need to buy High Gain TV Antenna Amplifier.
Input Impedance (Ω): 75
V.S.W.R: ≤1.6
Gain (dBi): 25-30
Radiation: Omni
Connector: F or IEC
Cable Type: RG174
Cable Length:Typical 3M
