NTE1235 Integrated Circuit Squelch Amp Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Collector–Base Voltage, VCBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V Collector–Emitter Voltage, VCEO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17V Collector–Substrate Voltage, VCIO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V Emitter–Base Voltage, VEBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5V Collector Current, IC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20mA Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300mW Derate Above 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3mW/°C Supply Current, ICC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30mA Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –30 to +75°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +125°C Electrical Characteristics: Parameter Symbol Test Conditions Min Typ Max Unit Collector–Base Voltage VCBO IC = 10µA, IE = 0 20 – – V Collector–Emitter Voltage VCEO IC = 0.1mA, IB = 0 17 – – V Collector Substrate Voltage VCIO IC = 10µA, IC1 = 0 20 – – V Emitter–Base Voltage VEBO IE = 10µA, IC = 0 5 – – V Collector Cutoff Current ICBO VCB = 15V, IE = 0 – – 0.5 µA DC Current Gain hFE VCE = 15V, IE = 0 70 – 400 – Collector–Emitter Sat. Voltage VCE(sat) IC = 10mA, IB = 1mA – – 0.5 V Base–Emitter Sat. Voltage VBE(sat) IC = 10mA, IB = 1mA – – 1 V – 2.5 – pF – 5.0 – pF 200 – – MHz – 6 – dB 1.2 – 1.4 V Output Capacitor Q1 CCB VCE = 5V, f = 1mHz Q2 Current Bandwidth Product fT VCE = 5V, IC = 1mA Noise Figure NF VCE = 5V, IE = 1mA, Rg = 50Ω, f = 1MHz Forward Voltage VF IF = 1mA Pin Connection Diagram 7 Q2 Collector 6 Q2 Emitter 5 D1 Anode 4 D2 Cathode 3 Q1 Emitter 2 Q1 Base 1 Q1 Collector .128 (3.2) .700 (17.8) Max 1 7 .099 (2.5) Min .012 (0.25) .100 (2.54) .600 (15.24) .323 (8.2) Max