(Hong Kong)
Product Summary
The TC9174P is a high speed PLL with built-in prescaler. It is developed for digital tuning system use and contains 2-modulus prescaler. When the TC9174P is used in combination with system controller LSI TC9301AN/02AF/03AN series, high performance digital synthesized tuner can be realized.
Parametrics
TC9174P absolute maximum ratings: (1)Supply voltage: -0.3V to 6.0V; (2)Input voltage: -0.3V to VDD+0.3V; (3)Power dissipation: 300mW ; (4)Operating temperature: -30℃ to 75℃.
Features
TC9174P features: (1)They contain prescaler, and can directly input the frequency signal of 120MHz max. at FM band; (2)Either pulse swallow dividing type or direct dividing type can be applied depending upon receiving band; (3)Both high function type (DIP 22 pin) and conventional type (DIP 16 pin) are provided. High function type contain IF counter which counts IF signal at FM/AM band each and produces auto-stop signal; (4)Reference frequency is supplied from the controller LSI, and no crystal oscillator is required on the PLL LSI; (5)They have two phase comparator outputs, and can use two kinds of low pass filters without changing; (6)Abundant general purpose input-output terminals make possible the control of radio frequency circuit part; (7)Frequency input terminals are provided for FM and AM, independently; (8)IF offset can be easily controlled at FM band; (9)As serial ports are contained, control of all functions including frequency division number setting is performed through four serial bus lines.
Diagrams
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