Driver circuit

Details Driver circuit Driver circuit

2007-03-20

2007-03-20

Mottola, Steven J. (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including differential amplifier

C330S307000

Reexamination Certificate

active

10922959

ABSTRACT:
In a driver circuit including transistors each having an emitter follower configuration and a pair of differential transistors with emitter outputs of the transistors of the emitter follower configuration as inputs, end terminals of the pair of differential transistors are connected to individual bonding pads, and the respective bonding pads and voltage sources are individually connected by wires that function as inductors. Thereby, even in the case where the lengths of the wires of output terminals change according to packaging, outputs can be matched by determining the wire lengths of the wires suitably.

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Kehrer, D., et al. “40Gb/s 2:1 Multiplexer in 120nm CMOS.” ISSCC Digest of Technical Papers, pp. 344-345, 2003.
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Chu, Yuan-kai., et al. “5.7GHz.μm COMS Gained- Controlled LNA and Mixer For 802.11a WLAN Applications.” 2003 IEEE Radio Frequency Integrated Circuits Symposium, XP010646697, pp. 221-224.
Liao, Che-Hong., et al. “5.7GHz.18μm COMS Gain-Controlled Differntial LNA With Current Reuse for WLAN Receiver.” IEEE Microwave and Wireless Components Letters, vol. 13, No. 12, Dec. 12, 2003, XP001190047, pp. 526-528.
European Office Action Issued in corresponding European Patent Application No. 04 024 976.5, dated Oct. 25, 2006.
Rein, H.M. et al., “A Versatile Si-Bipolar Driver Circuit with High Output Voltage Swing for External and Direct Laser Modulation in 10 Gb/s Optical-Fiber Links,” IEEE Journal of Solid-State Circuits, vol. 29, No. 9, Sep. 1994, pp. 1014-1021.

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