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| TELEFUNKEN Semiconductors TDA 1072 A AM Receiver Circuit Technology: Bipolar 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 = + 25 C, unless otherwise specified Parameters Supply voltage range Supply current, without load, IL = 0 (Pin 11) RF preamplifier and mixer DC input voltages Input impedances Test Conditions / Pin Pin 13 Pin 13 Symbol VS IS Min 7.5 Type 18 23 Max 30 Unit V mA Pin 14, 15 ViRF < 300 V, ViRF > 10 mV, Pin 14,15 Pin 14, 15 Vi Ri Ci Ri Ci Ro Co DSM 500 VS/2 5.5 25 8.0 22 6.0 6.5 5.0 1.2 30 2.5 0.6 0.5 60 200 V kW pF kW pF kW pF mA/V Vpp mA dB Vpp MHz kW Output impedance Maximum conversion conductance Maximum IF output voltage Output current Preamplifier control range Max. RF input voltage Oscillator Frequency range Oscillator circuit impedance range Pin 1 Io 1 IF/ViRF Pin 1 Pin 1 Pin 14, 15 Pin 12 Pin 12 VoIF Io SM Vi fOSC ZLOSC 2 Preliminary Information TELEFUNKEN Semiconductors Parameters Test Conditions / Pin Controlled oscillator ampliPin 12 tude DC output voltage IL = 0 V Pin 11 Output load current range Pin 11 Output resistance IL = 5 " 0.5 mA, Pin 11 Oscillator frequency output Pin 10 Output voltage RL10 = 4.7 kW Output resistance Allowable output current IF amplifier an AF stage DC input voltages Pin 3, 4 Input impedance Pin 3 Max. IF input voltage Control range Audio output voltage m = 80%, d = 3% Pin 3 V0AF = -6 dB Pin 6 Vi = 1 mV (Pin 3), without load Pin 6 RL9 = 2.7 kW, Vi = 0 Vi = 500 mV -I0 = 0.5 mA AM switch-Off, " I0 x 1 mA Symbol VOSC VO -IL RO V0 R0 I0 Vi Ri Ci Vi DVi V0 R0 Min TDA 1072 A Type 130 6 VBE(4V) 20 25 320 170 3 2 3 7 90 Max 150 Unit mV V mA W mVpp W mAp V kW pF mV dB mV kW 2.4 3.9 61 310 3.5 Audio output resistance Field-strength indication DC indicator voltages Output current capability Output resistance Reverse voltage at the output Stand-by switch Switching voltage Required control voltage Input current Pin 9 Pin 9 Pin 9 Pin 9 VO VO -IO R0 V0 Vi Vi Vi 1) 0 2.5 2.0 2.8 220 6 2.75 140 3.1 mV V mA W V V V V mA mA Pin 2 AM ON Pin 2 AM OFF Pin 2 AM on, switching current AM off, reverse current (V2 = V3), Pin 2 2 3.5 -Ii "Ii 200 10 1) or open input Preliminary Information 3 TDA 1072 A Operating conditions TELEFUNKEN Semiconductors VS = 8.5 V, fiRF = 1MHz, fmod = 0.4 kHz, m = 30%, Tamb = 25C, reference point Pin 16, see figure 2, unless otherwise specified Parameters RF input voltages Test Conditions / Pin (S + N)/N = 6 dB = 26 dB = 46 dB (Reference value Vi = 500 mV) DV0 = 6 dB DV0 = 1 dB d = 3%, m = 80% d = 3%, m = 30% d = 10%, m = 30% V1 = 1 mV V2 = 4 mV, m = 0.8 V0AF = 60 mV m = 80%, Vi = 1 mV Vi = 500 mV Vi = 1 mV Symbol ViRF ViRF ViRF ViRF DViRF DViRF ViRF ViRF ViRF V0AF V0AF ViRF d d (S + N) N BiF SiF SiF Min Type 1.5 15 150 30 Max Unit mV mV mV mV RF input for agc operation Control range for 91 86 0.5 0.7 0.9 310 ("2 dB) 130 (" 3.5 dB) 5.5 0.5 3.0 50 dB dB V V V mV mV mV % % dB Maximum RF input voltage Audio output voltage RF input voltage Total distortion of audio output voltage Signal plus noise to noise ratio of audio output voltage IF bandwidth (-3 dB) IF selectively Df = " 9 kHz Df = " 36 kHz 4.6 30 60 kHz dB dB 4 Preliminary Information TELEFUNKEN Semiconductors TDA 1072 A Figure 2 Test circuit Preliminary Information 5 TDA 1072 A TELEFUNKEN Semiconductors 6 Preliminary Information TELEFUNKEN Semiconductors TDA 1072 A Dimensions in mm Preliminary Information 7 TDA 1072 A It is the policy of TEMIC TELEFUNKEN microelectronic GmbH to TELEFUNKEN Semiconductors OZONE DEPLETING SUBSTANCES POLICY STATEMENT 1. Meet all present and future national and international statutory requirements and 2. Regularly and continuously improve the performance of our products, processes, distribution and operating systems with respect to their impact on the health and safety of our employees and the public, as well as their impact on the environment. Of particular concern is the control or elimination of releases into the atmosphere of those substances which are known as ozone depleting substances ( ODSs). The Montreal Protocol ( 1987) and its London Amendments ( 1990) will soon severely restrict the use of ODSs and forbid their use within the next ten years. Various national and international initiatives are pressing for an earlier ban on these substances. TEMIC TELEFUNKEN microelectronic GmbH semiconductor division has been able to use its policy of continuous improvements to eliminate the use of any ODSs listed in the following documents. 1. Annex A, B and list of transitional substances of the Montreal Protocol and the London Amendments respectively 2 . Class I and II ozone depleting substances in the Clean Air Act Amendments of 1990 by the Environmental Protection Agency ( EPA) in the USA and 3. Council Decision 88/540/EEC and 91/690/EEC Annex A, B and C ( transitional substances ) respectively. TEMIC can certify that our semiconductors are not manufactured with and do not contain ozone depleting substances. We reserve the right to make changes to improve technical design without further notice. Parameters can vary in different applications. All operating parameters must be validated for each customer application by the customer. Should the buyer use TEMIC products for any unintended or unauthorized application, the buyer shall indemnify TEMIC against all claims, costs, damages, and expenses, arising out of, directly or indirectly, any claim of personal damage, injury or death associated with such unintended or unauthorized use. TEMIC TELEFUNKEN microelectronic GmbH, P.O.B. 3535, D-74025 Heilbronn, Germany Telephone: 49 ( 0 ) 7131 67 2831, Fax Number: 49 ( 0 ) 7131 67 2423 8 Preliminary Information |
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