Jackson Labs Chip Scale Atomic Clock (CSAC)
Quick look at the Jackson Labs Chip Scale Atomic Clock (CSAC) including a very brief jitter analysis using the LeCroy WaveRunner 640 Zi 4 GHz, 40 GS/s oscilloscope.
Author: Sebastian Westerhold
Crystal oscillator frequency pulling
This video briefly explains how to influence a crystal oscillator’s frequency by introducing reactive elements such as trim capacitors and inductors:
Teledyne LeCroy HDO4024 Teardown
Since the text-blog article about me tearing down my Teledyne LeCroy HDO4024 was so successful, I decided to shoot a video with a more detailed teardown. Here it is:
Look Inside: Teledyne LeCroy HDO4024
True beauty lies within, or so they say. For an exclusive look under the hood, I decided to break the warranty seal on my Teledyne LeCroy HDO4024. It took me a while to debate with myself whether or not I should void the warranty on this scope. Curiosity won and I couldn’t resist, I just … [Read more…]
IC-706 MKII Extended Tx Modification
Expanding the transmit range of an amateur radio transceiver is probably the most common modification. Because of its use associated with the Military Auxiliary Radio Service (MARS) or Civil Air Patrol (CAP), this modification is often referred to as MARS or CAP mod. This article shows how to perform this extended transmit modification on the … [Read more…]
Review: ADSP-BF592 EZ Lite Kit
Blackfin processors from Analog Devices (ADI) precede their reputation. Anyone who has even remotely thought about Digital Signal Processors (DSPs) has come across ADI’s Blackfin processor series. ADI considers the BF592 as the low-cost entry point into the Blackfin portfolio of processors. To make evaluation a piece of cake, ADI offers the BF592 EZ-KIT Lite … [Read more…]
FT-101E and IC-718 Repair Impressions
Over the past weeks I had KF5FBR’s Yaesu FT101E ad N5WSA’s Icom IC-718 on my bench for various services. The FT-101 needed a general health check and brand new capacitors. No output powers was the problem the IC-718. The latter was caused by burned out final transistors. While working on them, I shot some pictures … [Read more…]
L-Network Impedance Matching:
New video about impedance matching using an L-Network. This is a complimentary video to my classic text blog entry I wrote about this subject earlier.