Hittite Press Release - September 9, 2010
Hittite's New 12.5 Gbps Limiting Amplifier with Loss-of-Signal Detection
Ideal for SONET/SDH-based Transmission, 10 GbE, 8x/10x Fiber Channel & OC-192 F/O Modules
MA, 09/09/2010 – Hittite Microwave Corporation, the world class supplier of complete MMIC based solutions for
communication & military markets has expanded its Limiting Amplifier product line with the release of the
HMC914LP4E, a Limiting
Amplifier with Loss-of-Signal detection capability. The
HMC914LP4E supports data
rates up to 12.5 Gbps, and is ideal for SONET/SDH-based transmission systems, OC-192 Fiber Optic modules, 10
Gibabit Ethernet (GbE), 8x & 10x Fiber Channel, or for use as a wideband RF gain block.
Amplifier is designed to support data transmission rates up to 12.5 Gbps, operates from a single +3.3 V DC supply,
and provides 32 dB of differential small signal gain. The amplifier can operate over a wide range of input voltage
levels and provides a constant-level differential output swing which may be adjusted up to 750 mVp-p. The outputs
HMC914LP4E may be operated
either singled-ended or differentially. All single-ended input signals are terminated with 50 Ohms to +3.3 V
on-chip, and may be either AC or DC coupled.
HMC914LP4E features a
loss-of-signal (LOS) indicator output and a control pin for adjustment of the input signal amplitude threshold
HMC914LP4E also features
an output level control pin, which allows for loss compensation or for output signal level optimization. The
amplifier also provides an analog RSSI (Received Signal Strength Indicator) output voltage which is proportional
to input signal amplitude. Integrated DC offset compensation is also provided on chip.
many of Hittite’s previously released Fiber Optic and High Speed Logic products, is housed in a plastic RoHS
compliant 4 x 4 mm SMT package, and is specified for operation from -40 °C to +85 °C. Released data sheets may be
www.hittite.com. Samples and evaluation PC boards are
available from stock and can be ordered via the company’s e-commerce site or via direct purchase order.
Hittite Microwave Corporation
20 Alpha Road
Chelmsford, MA 01824
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