Interconnect Advances Fuel Technology Growth
By Orwill Hawkins, Vice President of Marketing, LadyBug Technologies

With increased frequencies, higher data rates, and lower noise levels, the microwave industry serves as a leader in technological capability. Demand for quality interconnects has increased right along with other higher-performance areas in the industry.


MMD March 2014
New Military Microwave Digest


E-Band Active X5 Multiplier
Model SFA-743843516-12SF-N1 is an E-band X5 active multiplier with center frequency at 79 GHz with minimum +/-5 GHz operational bandwidth. It converts 14.8 to 16.8 GHz/+5 dBm input signal to deliver 74 to 84 GHz frequency band with more than +16 dBm power.
Sage Millimeter

Hand-Flex™ Coaxial Cable
Covering DC to 12.5 GHz, this 8” coaxial cable, 141-8SMNB+, has a bulkhead Female Type-N connector at one end and SMA-Male at the other. Features include low loss, excellent return loss, hand formable, and an 8mm bend radius for tight installations.

Phase Trimmer Series
This new phase trimmer series is designed for RF applications where phase match between two cables is needed for proper system performance. Phase trimmers, offered from DC to 50 GHz, will give an accurate phase adjustment over a specified frequency range.
RLC Electronics

Planar Monolithics Industries
Model PTRAN-100M18G-SFB-3UVPX-MAH is a transceiver covering the frequency range of 100 MHz to 18 GHz. The transceiver fits into a 3U Open VPX form factor utilizing the high speed VITA 67 RF connector.
Planar Monolithics Industries

SMT High-Power Attenuators
Now available with full design support capabilities are three new SMT high-power attenuators from Anaren. These 30 to 50W devices are high-performance, high-power chip attenuators covering DC to 3.0 GHz and feature high return loss and small footprints.
Richardson RFPD

See all products in this issue

June 2013

Optical Modulator Driver Solutions 28 Gbps EML and 32 Gbps MZ Drivers
By Hittite Microwave

Hittite has added three new products to its optical modulator driver family, HMC1068, HMC1069 and HMC7150LP3DE, addressing the stringent lower power and higher density requirements of the next generation long-haul, metro core and metro access fiber optic equipments.

HMC7150LP3DE is an EML (Electro-absorption Modulated Laser ) driver, designed for 100G Ethernet LR4 and ER4 applications. The device supports data-rates up to 28.3 Gbps and its high bandwidth yields output signal characteristics of 12 p-sec rise & fall times.

Hittite Optical Modulator Driver Family: HMC7150LP3DE, HMC1068, HMC1069

HMC7150LP3DE is ideal for CFP2/CFP4 and QSFP2, or similar form factor pluggable modules, with its compact size and low power consumption. HMC7150LP3DE  is available in 3x3 mm plastic LP3 RoHS compliant SMT package. HMC7150LP3DE runs on positive supply, from 3.3V to 6V. The wide supply operating range enables module designers to lower the power consumption of their modules by selecting the optimum supply voltage based on their EML characteristics.
This device has 50 Ohm matched inputs and outputs and must be used in AC-coupled configuration. The optimum bias condition for the device is set with external bias voltages. The output signal cross-point and amplitude are adjustable via  device control pins. Evaluation boards and reference designs are available upon request.

HMC1068 & HMC1069 in Cascade Configuration MZ Modulator Driver Application.

HMC1068 and HMC1069 are optical modulator drivers in die form and they are perfect for driver integrated transmitter optical sub-assembly modules for 100G systems. Both parts support data rates up to 32 Gbps with excellent time domain performance, and the small size, low power consumption ensures the designers meet their power budgets in highly integrated designs. HMC1068 can deliver up to 3 Vp-p output voltage swing without the need for an external bias-tee and they are perfect for Electro-Absorption (EA) type modulators. HMC1069 can deliver higher voltage up to 8 Vp-p output swings and is designed to meet the electrical characteristics of the Mach-Zender (MZ) type optical modulators.

32 Gbps NRZ Output Eye Diagram @ 6V Supply.

HMC1069 is biased through an external bias-tee at its RF output. Both drivers have 14 to 15 dB gain and depending on the application they can be used as single stage or in cascade configuration for higher gain. HMC1068 and HMC1069 support wide supply voltage range, that gives the designers the advantage and the flexibility to optimize and lower the power consumption of their system for different optical modulators. These three parts have 50 Ohm matched inputs/outputs and must be used AC-coupled. The peak-detector feature is incorporated in all devices which can be used for monitoring the output voltage swing level during the normal operation. As fiber-optic systems move into smaller sizes, higher levels of integration of the building blocks is needed. HMC1068 and HMC1069 die products address the next generation optical modulator designs, where the drivers are integrated in the same module assembly with the optical modulator. Samples and application notes are available upon request.

For more information, visit our website.

Hittite Microwave
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Uncertain Times for DefenseIn Defense of DARPA; Lamenting Bell Labs
By Barry Manz

A federal agency like DARPA is a sitting duck for politicians and assorted other critics. It has come up with some truly bizarre programs over years that ultimately either delivered no tangible results, were canceled before they could cause any damage, or attempted to answer questions that nobody was asking or needed answers to. Read More...

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