TCA440T ETC [List of Unclassifed Manufacturers], TCA440T Datasheet
TCA440T
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TCA440T Summary of contents
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Description This is an efficient bipolar monolithic circuit to apply in battery - powered or mains - operated radio receivers MHz. It contains controlled RF stage, mixer, separated oscillator and regulated multistage IF amplifier. Package TCA 440 ...
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TCA 440 T • SOP 16 0.7 Pin configuration 1 RF prestage, input prestage, input control amplifier input 4 oscillator circuit pin 1 5 oscillator circuit pin 2 6 oscillator circuit pin 3 7 ...
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Functional description It contains several function units, which enable designing and assembling of efficient AM tuners. Caused by internal voltage stabilization characteristics are rather independent from supply voltage. The RF input signal reaches via a controllable and overdriving proof preselector ...
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Characteristics refer to application examples, f voltages refer to ground °C, unless specified otherwise a Current and voltage supply (no RF signal) Supply voltage Current consumption V = 4 ...
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IF suppression between and 15 RF input impedance unbalanced coupling V iHFmax V iHFmin balanced coupling V iHFmax V iHFmin Mixer output impedance (pin 15 or 16) Steepness IF part Input frequency range Control range = 455 ...
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Dependences TCA 440 / osc 1 9V 455 kHz MHz ...
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TCA 440 / iIF V = parameter 455 kHz 400 0. kHz m 300 200 100 ...
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TCA 440 / goHF TCA 440 / T 400 ...
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TCA 440 / T S gmax MHz kHz 0 parameter 4.7 ...
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V 600 400 5 V 200 0 0 200 400 Application examples • TCA 440 D2 C13 10n S4 S2 Fi1 W1a C13 W2 330 S3 W1b goHF R1 1. 100 ...
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TCA 440 T 100n +50% -20 W1a 330p 2.5% W1b goHF 1. 100 Application hints The PCB is to arrange such that there are maximum ground lines (ground area) ...