Down East Microwave Library

• PRODUCT MANUALS

• Multi Purpose Weak Signal Source. By Steve Kostro, N2CEI

• Retrofiting the A32 synthesizer in the KK7B, SHF and older DEM 900MHz and 1296MHz transverter models. By Steve Kostro, N2CEI

• Sequencing Logic. By Steve Kostro, N2CEI

• The Development of Power Power Amplifiers Utilizing Hybrid Modules. By Steve Kostro, N2CEI

• Generic Guidelines for Interfacing a DEMI Transverter.

• Interfacing Transverters with the Elecraft K2 Transceiver. By Steve Kostro, N2CEI ( ZIP file of the Power Point Presentation given at the SVHFS conference, 21MB size)

• Generic Transverter Interfacing By Steve Kostro, N2CEI

• Toyocom or NDK 10MHz Source Data sheet .

• New Receive section Design for 1296MHz Transverters; Part 1 By Steve Kostro, N2CEI

• New Transverter Design 903-144; Part 1 By Steve Kostro, N2CEI

• Third Order Intercept Measurements By Al Ward, W5LUA

• Future Designs of Microwave Transverters By Steve Kostro, N2CEI

• Make Your HTX-100 a Flexible IF Transceiver... By Russ Healy, NJ2L

• Calculating a Parabolic Dish's Focal Point

• W1GHZ Microwave Antenna book CD version of complete online articles for $20.

• Construction Hints and Techniques By Steve Kostro, N2CEI

• "My Pre-amp doesn't work!"- A design, troubleshooting, and repair guide for all modern day GaAs FET or PHEMPT type low noise amplifiers By Steve Kostro, N2CEI

• Cavity Resonance Phenomena By Al Ward, WB5LUA

• PHEMT Biasing By Al Ward, WB5LUA

• GaAsFET Biasing By Al Ward, WB5LUA

• Rewinding Coax Relays for 12 Volt Operation By Paul Wade, N1BWT (W1GHZ)

• Eliminate Low Frequency Intermod of LNA's By Steve Kostro, N2CEI

• Dish Feed Information from W1GHZ WEB site

• 2304 and 3456 No-Tune Transverter Updates By Steve Kostro, N2CEI

• Intermod Resistant Preamplifiers By Steve Kostro, N2CEI

• Building Enclosures for Microwave Circuits By: Russ Healy NJ2L

• Soldering Chip Capacitors, American Technical Ceramics Corporation

• IC202 MODS By Dave Robinson, WW2R

• Using the Toshiba UM2683A 3456 Amplifier, By Dave Robinson,WW2R

• 7289 Bias Supply Schematic

• Gs9b Bias Supply Schematic

• Thoughts on Phase 3D Ground station Requirements By Ed Krome, KA9LNV

• An Improved preamplifier for the Teletec DXP-V220 Amplifier By Dave Robinson, WW2R