am Tuner for Car Radio
Overview
The LA1130 is an IC developed for am tuner systems in car radio applications. It provides low-level loca...fm=400Hz, See specified Test Circuit.
Parameter Current drain Detection output Signal to noise rati...
...ttenuation (2) Muting bandwidth am rejection ratio Muting drive output Muting drive output Signal meter output Signal meter output Signal me...fm 400 Hz 100% mod., am 1 kHz 30% mod. Quiescent VIN = 100 dB Quiescent VIN = 50 dB VIN = 70 dB VIN ...
...r peripheral parts. * Excellent am rejection ratio.
Specifications Maximum Ratings at Ta=25C
Parameter Maximum supply voltage Input volt...fm=400Hz 100% mod.
Parameter Current dissipation DC voltage at pin 7 Demodulated output Input limit...
am/fm-IF/MPX Tuner System for Radio-Cassette Recorders, Music Centers
Overview
The LA1806 is a characteristics-improved version of the LA1811, with the same pin assignment and package as those of the LA1811. Improvements are made on the...
Description
am/fm-IF/MPX Tuner System for Radio-Cassette Recorders, Music Centers 调幅/调频中频/盈丰调谐器系统的无线电录音机,音乐中 am/fm-IF/MPX Tuner System for Radio-Cassette Recorders/ Music Centers
am Stereo Decoder
The MC13022A is designed for home and automotive am stereo radio applications. The circuits and functions included in the...fm does (typically less than 3.0 dB versus greater than 20 dB for fm), sudden switching between mono...
Description
From old datasheet system C-QUam ADVANCED MEDIUM VOLTAGE am STEREO DECODER
am Stereo Decoder
The MC13028A is a third generation C-QUam stereo decoder targeted for use in low voltage, low cost am/fm E.T.R. radio applications. Advanced features include a signal quality detector that analyzes signal strength, signal...
Description
From old datasheet system C-Uam am STEREO ADVANCED WIDE VOLTAGE C-QUam am STEREO ADVANCED WIDE VOLTAGE IF and DECODER for E.T.R. RADIOS
...
Figure 13. Squelch Circuit for am or fm
C3 R2 13 VCC 14 C4 High Pass Filter High Pass Filter Given: Ao, Q, o = 2fo Choose: C = C1 = C2, a convenient value Calculate: R2 = Q (2Ao + 1) oC C3 = C Ao R1 = Ao QoC(2Ao + 1) Squelch Threshold Adj...
Description
Dual Operational amplifier and Dual Comparator From old datasheet system DUAL OPERATIONAL amPLIFIER / DUAL VOLTAGE COMPARATOR