Samsung 12 Circuit Description free download

File name 12_Circuit Description.pdf

13 Circuit Descriptions 13 Circuit Descriptions 13-1 Main Signal Description 13-1 13 Circuit Descriptions 13-2 DTV Signal Description 13-2 13 Circuit Descriptions 13-3 DTV Signal Description (Only for Italy/Spain) 13-3 13 Circuit Descriptions 13-4 RF/DTV Tuner (DNOS303ZH261B(S)) SPEC. 1. Description 1-1 Receiving System : Designed to cover all bands in VHF and UHF including digital terrestrial(DVB-T) and hyper channels for CCIR system. 1-2 It built in COFDM-Demod IC & Analog Demod IC (PAL B/G, I, D/K, SECAM L/L') 1-3 Receiving Channel : 47MHz ~ 862MHz 1-4 Intermediate Frequency : Digital(center) 36.167 MHz, Analog(picture) 38.9MHz 1-5 Input Impedance : 75 , Unbalanced. 1-6 Terminals name and functi Pin No Connection Remark Pin No Connection Remark 1 N.C 15 N.C 2 RF AGC 16 SYNC 3 5V 17 VALID 4 AFT 18 MD7 MPEG data output7 5 30V 19 MD6 MPEG data output6 6 GND 20 MD5 MPEG data output5 7 RESET 21 MD4 MPEG data output4 8 ERROR 22 MD3 MPEG data output3 9 VIDEO OUT 23 MD2 MPEG data output2 10 N.C 24 MD1 MPEG data output1 11 SIF OUT 25 MD0 MPEG data output0 12 3.3V 26 MPEG CLK 13 GND 27 SDA 14 N.C 28 SCL 2. Mechanical Characteristics 2-1 Dimensions : refer Fig1 2-2 Weight : 60g 2-3 RF input : RCA (female) 2-4 Holding Strength of Ant jack. Withdrawal force of center contact : Perform insert & extract test for 20 times. Into receptacle contact by using gauge, showing in Fig-2. It shall be maintain 50g. 13-4 13 Circuit Descriptions 3. General Characteristics 3-1 Temperature Range Storage Temperature : -20 ~ +80 Operation Temperature : 0 ~ +65 3-2 Test conditions : All data hold under following conditions T(amb.) :