TDA1072A Datasheet PDF

FEATURES

D Controlled RF preamplifier D Multiplicative balanced mixer D Separate oscillator with amplitude control D IF amplifier with gain control Case: 16 pin dual inline plastic D Balanced full–wave detector D Audio preamplifier D Internal AGC voltage D Amplifier for field–strength indication D Electronic stand–by on/off switch Figure 1 Block diagram and application circuit Preliminary Information 1 TDA 1072 A Absolute maximum ratings Reference point pin 16, unless otherwise specified Parameters Supply voltage Voltage on Pin 2 RF inputs Voltages Reference point 15 Pin 13 Symbol VS V2 "Vi 14/15 Vi –Vi Vi –Vi "Ii Tamb Tstg TELEFUNKEN Semiconductors Value 20 0 to 20 Unit V V Pin 14 Pin 14 Pin 14 Pin 15 Pin 15 Pin 14, 15 12 Vs 0.6 Vi 0.6 200 – 30 to + 80 – 55 to + 150 V V V V V mA °C °C RF inputs Currents Ambient temperature range Storage temperature range

ELECTRICAL CHARACTERISTICS

VS = 8.5 V, reference point pin 16, fIRF = 1MHz, RG = 50 W, fmod = 0.4 kHz, m = 30%, fIF = 460 kHz, Tamb...