NTE1249 Datasheet, PDF (1/2 Pages) NTE Electronics – Integrated Circuit Balancd Modulator

NTE1249
Integrated Circuit
Balancd Modulator
Description:
The NTE1249 is a balancd modulator circuit in a 7–Lead SIP type package designed for use in SSB
CB equipment.
Features:
D Low Operating Voltage
D High Carrier Suppression
Absolute Maximum Ratings: (T_A = +25°C unless otherwise specified)
Supply Voltage, V_CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.4V
Supply Current, I_CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15mA
Power Dissipation, P_D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22mW
Operating Ambient Temperature Range, T_opr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C
Storage Temperature Range, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +125°C
Electrical Characteristics: (T_A = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Total Circuit Current
Zener Voltage
I_tot V₆ = 12V
V_{5 – 4}
Signal Input Terminal Voltage
Carrier Input Terminal Voltage
Output Terminal Voltage
BM AC Output Voltage
Carrier Suppression
V_{1 – 4}
V_{3 – 4}
V_{7 – 4}
V_{O (BM)}
SC
V₆ = 9V
Min Typ Max Unit
6.5 9.5 12.5 mA
– 6.15 – V
– 3.1 – V
– 3.4 – V
– 8.6 – V
–6 –3 0 dBm
40 50 – dB