NTE1805

NTE1805 Integrated Circuit Recording Video Signal Processing Circuit Description: The NTE1805 is an integrated circuit in a 28–Lead DIP type package designed for use in VCR recording video signal processing. Features: D Dynamic Emphasis Characteristics: 5.5dB (at f = 1MHz, input level = –20dB) D Built–In Carrier Interleaving Circuit D Built–In Low Pass Filter (Sync–Separation Circuit) D Supply Voltage: VCC = 5V Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6V Power Dissiption (TA = +70°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250mW Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to ∼+150°C Electrical Characteristics: (VCC = 5V, TA = +25°C unless otherwise specified) Parameter Circuit Current Symbol I20 u8 Du8 G6–8 G15–16 fo 2fo u28 b28 Pin12 High, CO = 39pF, RO = 8.2 to 15kΩ Pin12 High, CO = 39pF, RO = 12kΩ Test Conditions Pin12 High (Record) Pin12 Open (Playback) AGC Output Amplification AGC Control Sensitivity Playback Amp Gain 12dB Amp Gain FM Oscillation Frequency FM Output 2nd High Frequency Pin12 High, Video Input 1VP–P Pin12 High, Video Input 0.5 to 2VP–P ...