(China (Mainland))
Product Summary
The CA3012 is an FM IF wideband amplifier with 3 limiter gain stages in a bipolar monolithic technology. The pin 1 input of the CA3012 is an open base and has a separate feedback bias. The feedback bias pin, DC FB BYPASS, is externally bypassed and provides the means for a tuned coil input to the IF IN pin. The output of the CA3012 is a high impedance open collector which may be matched to a tuned transformer, driving an FM detector. Internal regulation circuits provide DC bias to the gain stages and DC feedback circuit. The CA3012 is intended for FM limiting applications requiring high gain.
Parametrics
CA3012 absolute maximum ratings: (1)Maximum Supply Voltage VCC, Pin 10: 10V; (2)Maximum Output Voltage, Pin 5: 13V; (3)Maximum Input Signal Voltage between Pin 1 and Pin 2: ±3VV.
Features
CA3012 features: (1)Exceptionally High Amplifier Gain, Power Gain at 4.5MHz: 75dB; (2)Excellent Input Limiting Characteristics, Limiting Voltage (Knee) at 10.7MHz: 600μV (Typ); (3)Wide Frequency Capability: Bandwidth: 100kHz to 20MHz.
Diagrams
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