NTE1709 Integrated Circuit Dual Balanced Modulator for Video Cameras Description: The NTE1709 is an integrated circuit in a 9–Lead SIP type package that incorporates two balanced modulators Features: D Dual Balanced Modulator D No External Bias Circuit Required D Carrier Suppression: 40dB Typ Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.5V Supply Current, ICC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25mA Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240mW Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +75°C Storage Temperatuere Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +150°C Electrical Characteristics: (TA = +25°C, VCC = 9V unless otherwise specified) Parameter Min Typ Max Unit V1–5 5.7 6.3 6.9 V V3–5 1.9 2.4 2.9 V V4–5 5.5 6.1 6.7 V V6–5 5.5 6.1 6.7 V V7–5 1.9 2.4 2.9 V V8–5 5.5 6.1 6.7 V V9–5 5.5 6.0 6.7 V Total Circuit Current Itot 13 17 22 mA Carrier Leakage CL – – 2.5 mVrms Output Voltage VO 550 650 760 mVrms Circuit Voltage Symbol Test Conditions Pin Connection Diagram (Front View) 9 Output 2 8 Reference Voltage 7 Carrier Input 2 6 Signal Input 2 5 GND 4 Signal Input 1 3 Carrier Input 1 2 VCC 1 Output 1 .929 (23.6) .118 (3.0) .236 (6.0) 1 9 .098 (2.5) .100 (2.54) .118(3.0)