JULY 24, 2009 -- Hittite Microwave Corp. (search Lightwave for Hittite) has introduced a new connectorized 1:2 fanout buffer module, designed to support data transmission/clock rates of 50 Gbps/30 GHz. It is targeted at OC-768 and SDH STM-256 equipment; short, intermediate, and long-haul optical transmitter modules; and broadband test and measurement applications.
The HMC-C062 fanout buffer module supports single-ended or differential operation and data transmission rates up to 50 Gbps. It is designed as an alternate to Inphi's 50716CF. The fanout buffer module operates with clock signals up to 30 GHz, and the input is broadband from DC to 30 GHz. During normal operation, input data (or clock) is transferred to both output channels. Differential input signals to the HMC-C062 are terminated with 50 ohms to ground on-chip, and may be either AC or DC coupled. The differential outputs of the HMC-C062 may be either AC or DC coupled. Propagation delay is typically 270 ps, while rise and fall times are less than 11 ps.
For high-performance broadband test applications, the HMC-C062 fanout buffer module exhibits 2 ps of deterministic jitter and less than 0.2 ps of additive random jitter, Hittite says.
The HMC-C062 operates from a -3.3-V DC supply, while consuming 455 mW. The fanout buffer module is specified for operation from -40°C to +70°C and is housed in a miniature hermetically sealed module with 1.85 mm connectors. All connectorized modules are available from stock and can be ordered on-line.
The company also recently introduced four high-speed logic connectorized modules that allow designers to address applications requiring data transmission rates up to 50 Gbps and clock rates as high as 43 GHz.
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