Chinese response to Elecraft ("KX3" version)
Short description: High RX sensitive Low RX noise level AGS: 3 Steps Band: 160-10m Mode: SSB/CW Tx Power: 5-10 Watts Dimension: 225*59*90
New life of old SB200 Heathkit PA
Nice WEB Site from AC0C that I Recommended. A lot’s of useful tips for old Heathkit “SB200” Linear Amplifier and additional DiY ideas and not just for PA stuff. Photo by AC0C I have loved RTTY since I was a young ham. Had a Western Electric RTTY machine in my bedroom as a kid. My…
KX3 Overall Architecture
The revolutionary Elecraft KX3 HF transceiver puts the world in the palm of your hand! Despite its small size, it covers all amateur bands from 160-6 meters, operates in all modes, and has DSP-based features usually found only on larger radios. The KX3’s unique form-factor allows you to operate from anywhere. Fold out the rear…
Elecraft KAT500 High Power Autotuner (in May 2012)
Good news came from USA / Elecraft: The KAT500 is a new high power autotuner that is can be used with both the K3/KPA500 and all other HF amplifiers and transceivers. The KAT500 uses the same topology and high performance tuning algorithms as the popular 100W autotuner in the K3. Typical matching range at 500-600W…
RF Source PM500EF MOS-FET HF Linear Amplifier
PM500EF it’s an RF Power Amplifier designed for Medium Wave Broadcast Radio Band transmitters. PM500EFs output power is 500 Watt PEP ( 125 Watt Carrier ) at 50 Ohm load. This PA amplifies the input RF signal typically by 17dB, it operates at 48V / 17 Amp. max power supply.The operating class is B Push-Pull…