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| Datasheet File OCR Text: |
| NTE747 Integrated Circuit Low Level Video Detector Description: The NTE747 is a low level video detector in an 8-Lead DIP type package featuring very linear video characteristics and bandwidth. Designed for color and monochrome television receivers, replacing the third IF, detector, video buffer, and the AFC buffer. Features: D Conversion Gain: 34dB Typ D Video Frequency Response @ 6MHz < 1dB D Input of 36mV Produces 3VP-P Output D High Video Output: 7.7VP-P D Fully Balanced Detector D High Rejection of IF Carrier D Low Radiation of Spurious Frequencies Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Power Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24V Supply Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26mA Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1VRMS Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 625mW Derate Above 25C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5mW/C Operating Ambient Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to +75C Storage Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to +150C Electrical Characteristics: (TA = +25C, V+ = 20V, Q = 30, fC = 45MHz unless otherwise specified) Parameter Supply Voltage Range Supply Current Zero Signal DC Output Voltage Maximum Signal DC Output Voltage Input Signal Voltage Pin 6 5, 6 4 4 7 3VP-P Video Output, 90% Modulation Test Conditions Min 12 - 6.8 - - Typ 20 15 7.7 0 36 Max 24 - 8.3 - - Unit V mA V V mVRMS Electrical Characteristics: (TA = +25C, V+ = 20V, Q = 30, fC = 45MHz unless otherwise specified) Parameter Maximum Output Voltage Swing Carrier Rejection at Output Carrier Output Voltage Pin 4 4 3VP-P Output, fout = fC 3VP-P Output, fout = 2fC 3dB bandwidth of IF carrier 3dB Bandwidth of Video Output Input Resistance Input Capacitance Internal Resistance Internal Capacitance AFT Buffer Output AFT Buffer DC Level 7 4 7 7 2, 3 2, 3 1 1 At Carrier Frequency, Note 1 Across Tuned Circuit Test Conditions Min - 42 - - - - - - - - - - Typ 7.7 60 1 3 80 12.3 3.5 3.0 4.4 1.0 350 6.5 Max - - - - - - - - - - - - Unit VP-P dB mVP-P mVP-P MHz MHz k pF k pF mVP-P V Note 1. Measured with 10 times probe. Pin Connection Diagram AFT Buffer 1 Tuned Circuit 2 Tuned Circuit 3 Primary Video Output 4 8 7 GND IF Input 6 VCC 5 Aux Video Output 8 5 .260 (6.6) 1 4 .390 (9.9) Max .155 (3.93) .300 (7.62) .100 (2.54) .300 (7.62) .145 (3.68) |
Price & Availability of NTE747
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