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| NTE973D Integrated Circuit Double Balanced Modulator/Demodulator Description: The NTE973D is a balanced modulatior/demodulator in a 14-Lead DIP type package designed for use where the output voltage is a product of an input voltage (signal) and a switching function (carrier). Typical applications include suppressed carrier and amplitude modulation, synchronous detection, FM detection, phase detection, and chopper applications. Features: D Excellent Carrier Suppression: 65dB typ @ 0.5MHz 50db typ @ 10MHz D Adjustable Gain and Signal Handling D Balanced Inputs and Outputs Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Applied Voltage, V (V6-V7, V8-V1, V9-V7, V9-V8, V7-V4, V7-V1, V8-V4, V6-V8, V2-V5, V3-V5) . . . . . . . . . 30V Differential Input Signal, V7-V8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5.0V Differential Input Signal, V4-V1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (5 + I5Re) V Maximum Bias Current, I5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10mA Operating Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to +70C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to +150C Thermal Resistance, Junction-to-Ambient, RthJA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100C/W Electrical Characteristics: Parameter Carrier Feedthrough (VCC = 12V, VEE = -8V, I5 = 1mA, RL = 3.9k, Re = 1k, TA = +25C, Note 1 unless otherwise specified) Symbol VCFT Test Conditions VC = 60mVrms sine wave and offset adjusted to zero VC = 300mVP-P square wave, fC = 1kHz fC = 1kHz fC = 10MHz Offset adjusted to zero Offset not adjusted fC = 500kHz fC = 10MHz Min - - - - 40 - Typ 40 140 0.04 20 65 50k Max - - 0.4 200 - - Unit Vrms Vrms mVrms mVrms dB dB Carrier Suppression VCS fS = 10kHz, 300mVrms, 60mVrms sine wave Note 1. All input and output characteristics are single-ended unless otherwise specified) Electrical Characteristics (Cont'd): (VCC = 12V, VEE = -8V, I5 = 1mA, RL = 3.9k, Re = 1k, TA = +25C, Note 1 unless otherwise specified) Parameter Transadmittance Bandwidth (Magnitude) Symbol BW3dB Test Conditions Carrier Input Port, RL = 50, VC = 60mVrms sine wave, fS = 1kHz, 300mVrms sine wave Signal Input Port, RL = 50, VS = 300mVrms sine wave, |VC| = 0.5V Signal Gain Single-Ended Input Impedance, Signal Port Single-Ended Output Impedance, Signal Port Input Bias Current AVS rip cip rop cop IbS IbC Input Offset Current |IioS| |IioC| Average Temperature Coefficient of Input Offset Current Output Offset Current Average Temperature Coefficient of Output Offset Current Common-Mode Input Swing Common-Mode Gain Common-Mode Quiescent Output Voltage Differential Output Voltage Swing Capability Power Supply Current |TCIio| |Ioo| |TCIoo| CMV ACM Vout Vout ICC IEE DC Power Dissipation PD I6 + I9 I10 VS = 100mVrms, f = 1kHz, |VC| = 0.5V Parallel Input Resistance, f = 5MHz Parallel Input Capacitance, f = 5MHz Parallel Output Resistance, f = 10MHz Parallel Output Capacitance, f = 10MHz IbS = (I1 + I4) / 2 IbC = (I7 + I8) / 2 IioS = I1 - I4 IioC = I7 - I8 TA = -55 to +125C I6 - I9 TA = -55 to +125C Signal Port, fS = 1kHz Signal Port, fS = 1kHz, |VC| = 0.5V Pin6 or Pin9 Min - - 2.5 - - - - - - - - - - - - - - - - - - Typ 300 80 3.5 200 2.0 40 5.0 12 12 0.7 0.7 2.0 14 90 5.0 -85 8.0 8.0 2.0 3.0 33 Max - - - - - - - 30 30 7.0 7.0 - 80 - - - - - 4.0 5.0 - Unit MHz MHz V/V k pF k pF A A A A nA/C A nA/C VP-P dB VP-P VP-P mA mA mW Note 1. All input and output characteristics are single-ended unless otherwise specified) Pin Connection Diagram (+) Signal Input 1 Gain Adjust 2 Gain Adjust 3 (-) Signal Input 4 Bias 5 (+) Output 6 N.C. 7 14 V (-) 13 N.C. 12 (-) Output 11 N.C. 10 (-) Carrier Input 9 N.C. 8 (+) Carrier Input 14 8 1 7 .785 (19.95) Max .200 (5.08) Max .300 (7.62) .100 (2.45) .600 (15.24) .099 (2.5) Min |
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