LA7784 Sanyo Semiconductor Corporation, LA7784 Datasheet
LA7784
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LA7784 Summary of contents
Page 1
... Ordering number : ENN8386 LA7784 Overview The LA7784 is a downconverter IC for digital CATV. It accepts RF input frequencies from 50 to 150MHz and supports the DOCSIS (USA) and Euro-DOCSIS (Europe) standards. Features • RF Mixer. • Attenuation control for RF Mixer. • Driver for SAW filter. • IF AGC amplifier. ...
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... IF input frequency range f (IF) IF amplifier gain G (AGC) IF inter modulation 2 IM3 2 Range GR2 AGC output level V (IF output level V (IF) Package Dimensions unit: mm 3222A LA7784 Pin No. Conditions 8, 14, 19, 20, 21, 22, 26 Signal 23, 24 fc:-3dB 26/23 2.5V 27/23, 24 26/23, 24 Input = 75dBµ 9 27/23 ...
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... Pin Assignment IF AGC AMP GND IF AGC AMP INPUT IF AGC AMP INPUT IF AGC AMP GND IF AGC AMP V CC AGC CONTROL IF DRIVER AMP GND IF DRIVER AMP OUTPUT IF DRIVER AMP OUTPUT IF DRIVER AMP V CC Block Diagram LA7784 GND DRIVER GND 27 DRIVER OUTPUT 26 DRIVER OUTPUT ...
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... Pin Description Pin Number Description 1 No Connection 2 No Connection 3 AGC Amp GND 4 AGC Amp Input Connection 7 AGC Amp GND 8 AGC Amp AGC Control 10 No Connection 11 Post Amp GND LA7784 Equivalent circuit (unit: Ω) Continued on next page. No. 8386-4/7 ...
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... Continued from preceding page. Pin Number Description 12 Post Amp Outputs 13 14 Post Amp Mixer/LO GND 16 LO Input Connection 19 Mixer/ Driver V CC LA7784 Equivalent circuit (unit: Ω) Continued on next page. No. 8386-5/7 ...
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... Continued from preceding page. Pin Number Description 21 LNA LNA Inputs 24 25 LNA GND 26 Driver Outputs 27 28 Driver Gnd LA7784 Equivalent circuit (unit: Ω) No. 8386-6/7 ...
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... SANYO Semiconductor believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of October, 2005. Specifications and information herein are subject to change without notice. LA7784 PS No.8386-7/7 ...