Hello, i am trying to produce a gain circles on a simple transistor as shown bellow.

i have defined the range from 1 til 30 dB and i dont get any circle just dots in infinity?

Where did i go wrong?
Thanks.

Hello, There is a manual in matlab of matching LNA  shown in the link bellow.

In it as shown in the plot bellow they mention input and output circle plots.

Is there such option of input and output circle in cadence virtuoso?

https://www.mathworks.com/help/rf/examples/designing-matching-networks-part-1-networks-with-an-lna-and-lumped-elements.html

Hi, I'm trying to create a circle from a pin with 10 mil air gap and at 45 degree rotation. The problem that im facing is that, I'm unable to get the bBox upper left coordinates. Because I want my circle to be placed from that coordinate with a 10 mil air gap. And the pins are "regular" and are placed on "Etch/Top" Layer. Kindly help me in solving this issue.

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On a cold morning on the last day of September, we flew into Spitsbergen, the western-most island of the Arctic archipelago of Svalbard. We were having rare sunny weather, so the pilot changed course a bit to give those of us on the right side of the plane a beautiful Svalbardian view.

We landed in the town of Longyearbyen, which is one of the few permanently populated places in Svalbard.



The moon you can see, big in that sky, was a permanent fixture for the first week of our journey. It never set, it just circled the sky, always low and big against the horizon. Then, with the new moon, it set -- and never came back again.

Our time in Longyearbyen was brief, but I did manage to pop over to the library :o).


The next morning, with our suitcases in hand and a stomach full of nerves, we went to the pier to board our new home, the Antigua.


Personally, I thought she looked pretty small for 40+ people. And for two weeks on the Arctic Ocean. And for not puking the entire time. What was I thinking? I kept repeating to myself. How am I going to do this? Why did I think this was a good idea? Is it a bad sign that I already feel queasy? I'll be fine. I'll be fine. I'll be fine! I'm going to die! I open myself to this adventure, goddammit!

(At least I'm not kitesurfing on a freezing cold day in the Arctic Ocean, like that bozo!) 


It was a rough few hours on the ship. I was anxious; I felt seasick. I kept crashing into things and spilling things. It was SO COLD, especially after the sun set, but once we were moving, I needed to stay out on deck in order to keep from puking. Then I puked anyway. It was not fun. I was scared. What if this was how I was going to feel for the next two weeks?

I stumbled and bumbled down to my cabin, put my head on my rocking pillow, and took a long nap. When I woke up, around 10pm, I didn't know it at the time, but I woke to a new state of being. I never got sick on the trip again.

That night, feeling world's better, I went to the kitchen and begged some food. A kind person warmed some up for me and I carried it out on deck, where I ate under the stars, surrounded by the noise of moving water. A bit later, I saw the northern lights for the first time in my life. I went on to see them so many times, on so many nights, that I lost count. I saw them from the deck of the Antigua, this beautiful ship that I grew to adore, and loved to call my home.

I've decided to post pictures from my trip, divided into themes. I haven't chosen all my themes yet or gotten particularly organized. But over the next few weeks, come here to learn about a number of things, including

In the coming weeks, I want to blog about a typical day on board; tell little stories of routines and big stories of adventures, in pictures; introduce you to some of the characters from my journey; familiarize you with the beautiful Antigua; and talk a little about my writing work on board.

I want to start, though, with a simple series of landscape photos, just to give a sense of atmosphere. For two weeks, with the exception of one day when we docked at the research station in Ny-Ålesund, we were alone on both land and sea. At the beginning of our trip, on October 1, we had about 10 and a half hours of daylight. As the trip progressed, we began to lose daylight steeply, as much as 40 minutes per day, such that when we returned to Longyearbyen on October 15, we had about 6 and a half hours of daylight. Can you imagine such a change, over the course of two weeks?

It made for some dramatic and moody skies.

Notice, in these pictures, how often my camera would reach for the Antigua in the distance :o). While I took these pictures, I was cold, in a remote and vast place where wind and ice were the only sounds. Often I was on land, a Zodiac-ride away from the ship, for hours. The Antigua in the distance meant warmth and home.

I'll start with the map of our route around the western and northwestern coast of Spitsbergen. I won't be identifying locations in this post -- forgive me, but it would add a couple of hours to this posting, and I don't have that tonight -- but I do want you to have a general idea of where we were. Please do click on the pictures to embiggen and also see them in higher resolution/better quality. These pictures are insufficient to express the range of what we saw -- but I will fill that out more in coming posts!

Hopefully, if you embiggen this, you'll be able to make out our route, numbered along the black line.

A day of still waters.

One of many glaciers, glowing blue.

Artists dotting the landscape.

Sailing through sea ice in the north.

The sun was always low.

Ridges, glacier, ice, snow.

Sunset.

Color!

Clouds creating a matching formation with the peaks below.

Not much light, on one of the short days near the end of the trip.

The Antigua is tiny in this picture, can you find her?

More coming soon! :o)

You might be wondering what it was like to live inside a ship for two weeks as we explored western Spitsbergen. For a sense of our day-to-day inside lives, here are some pictures from inside the Antigua. Please keep in mind that it was HARD to take these particular shots, because all the spaces are small and strangely-shaped, no space on a ship is designed for easy photographing, and also, the ship is never, ever still. It's tricky to take in-focus pictures when the floor is moving!

Our food was delicious, warm, and plentiful at every single meal. Good thing, because we were spending hours outside every day -- sometimes 8-10 hours -- in below-freezing temperatures, so we were burning a lot of calories and needed a LOT of fuel. Here's some birthday cake.

Here is our trip log from Sunday, October 7:


Sunday 07.10 – Day 7

Lloyds Hotel – Lilliehöökbreen – North

-3/4°C Celsius, almost no wind in the morning, clear sky, beautiful sunrise. More wind in the evening going from WNW 2, to N 2-3 and later NW 4.

09:30 - Morning landing Lloyds hotel – Hike to Lilliehöökbreen.

11:15 – Anchor up Lloyds Hotel.

13:30 – Anchor down Lilliehöökbreen.

14:30 – Hikers back on board (Piet still smiling).

16:30 - Afternoon zodiac cruises Lilliehöökbreen.

19:00 - Going North.

Our leader, Sarah Gerats, kept this log for us throughout the trip… And October 7 was one of my favorite days. I woke that morning and, as happened most mornings, came out on deck to a view I'd never seen before.

If you take a close look at the middle of this picture — maybe click on it to make it bigger and more detailed — you might see an orange rectangle. This is a hut that's been decorated and painted orange. It's called Lloyds Hotel, and it is definitely the fanciest hut on Spitsbergen — though maybe more of a tourist destination then a destination for any anyone actually seeking shelter. You can read more about its history here.

We climbed aboard the zodiacs and crossed onto land to visit it.





I, for one, was less interested in the evidence of human activity inside the hut, and more interested in the COMPLETELY GINORMOUS polar bear prints outside the hut. They were fresh, for this was new snow.


This sight — evidence of a polar bear (or three or four) recently shuffling through — was quite common on our journey.




I think it's time to introduce you to our wonderful, kickass guides, who always knew how to read the prints in the snow. Emma, Sarah, Åshild, and Kristin were our guides and guards, our organizers, our friends, our helpers, and our protectors. Any time we went on land, they were there with rifles, ensuring our safety in the land of polar bears.They had so much to share about the landscape, the environment, the animals, the history. They were wonderful storytellers and guides! And of course, Nemo was very, um, helpful as well. :o)


After exploring Lloyd's Hotel, we split into two groups. Some stayed put, working or enjoying the scenery, then returning to the ship. The rest of us set off on an 8km (5 mi) hike across the base of the fjord where we'd landed. See the little arrow I drew on the map below? That shows where we hiked, in this northwestern section of Spitsbergen.

Click here to check this out on Google Maps and see more details about where we were.

As we moved away from shore, we saw the Antigua sail off — abandoning us! Not really. The ship was circling the fjord to pick us up on the other side. Even knowing that, though, it was strange to see her go.

We hiked through spectacular terrain. Click on any of these to make them bigger and more focused.


The snow was pretty deep, but also very, very dry. It made for easier hiking than a snow-free terrain, for we were on a rocky moraine of loose stones much of the time. The snow evened out the terrain for us.






At one point, Nemo was sorely tempted by this duck, who taunted him as he tried to walk out onto the thin ice and grab it. Sarah, Nemo's person, could not get him to desist. So we all took a little break and enjoyed resting, eating snacks, and watching the show :o). (The duck was fine. The duck was in charge the whole time really.)




I included the picture below because in the foreground, you can see what I mean about the terrain of loose stones. It's exactly the same backdrop as above, actually, but I'm standing at a higher point, so the sun is more visible.





And there below us was another fjord, a glacier, and, waiting for us, the Antigua. Such a beautiful sight on a freezing day, after a long walk. I stood and stared, breathing fresh air, for a long time. As I watched, I heard her anchor fall — a familiar metallic clicking that was SO much louder on our ridge, echoing around the fjord, than it ever was from inside the ship.


And that was our hike from Lloyds Hotel to Lilliehöökbreen! If you're curious about the place in the log where it says "Piet still smiling," well, you may remember from a previous post that Piet was our chef. And we got home very late for lunch :o). But he fed us a delicious feast anyway.

I'll post another adventure soon! Maybe those zodiac cruises mentioned in the log, or maybe an explanation of some of our exciting activities on deck.

Nemo was the most important critter on our Arctic journey aboard the Antigua, of course. Here, he's closely tracking our progress through the Arctic seas.

Svalbard reindeer. In this picture, our guide, Kristin, is keeping very quiet and still, being careful not to spook them. In case anyone is getting the wrong idea, the rifle on her back is solely for the purpose of protecting us artists from polar bears.

This little seal was so curious about our Zodiac and kept swimming around us!

The white crescents in this picture are the backs of beluga whales.

We watched these walruses for a long time… And some of them slipped into the water to get a better look at us!

Oh hi.

Does lichen count as a critter? :o)

What about fossil imprints of long-gone critters?

More reindeer.

Good camouflage!

Here is something we encountered over and over and over again. Tracks of polar bears who'd passed through recently. The prints were shockingly gigantic.

It's tiring work being in charge.

We also saw a lot of animals that were impossible to photograph, in particular, an Arctic fox. The animal sightings were frequent and always special. Most of the time, I tried to take a few pictures, but then I reminded myself to put my camera down and enjoy. Consequently, this is only a hint of what we saw, but I hope it gives a nice sense of things.

If you're coming late to my report from my journey aboard a tall ship in the Arctic Circle last fall and want to see more, just search for "Arctic Circle" in the search box on my blog!

The Worst Things For Sale is Drew's blog. It updates every day. Subscribe to the Worst Things For Sale RSS!