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T H AT Corporation
FEATURES
· · · Two Matched NPN Transistors Two Matched PNP Transistors Monolithic Construction Low Noise — 0.75 nV/ Hz (PNP) — 0.8 nV/ Hz (NPN) High Speed — ft= 350 MHz (NPN) — ft= 325 MHz (PNP) Excellent Matching - 500 mV typ Dielectrically Isolated 25 V VCEO · · · · · ·
Quad Low-Noise NPN / PNP Transistor Array THAT 140 APPLICATIONS
Microphone Preamplifiers Tape Head Preamplifiers Current Sources Current Mirrors Log/Antilog Amplifiers Multipliers
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DESCRIPTION
THAT140 is a quad, large-geometry monolithic NPN/PNP transistor array which combines low noise, high speed and excellent parametric matching. The large geometries typically result in 25 W base spreading resistance for the PNP devices (30 W for the NPNs), producing 0.