100% Solid State Circuitry, HEWLETT PACKARD
Superior Performance,
In a New 30-Pound Package NEW 180A OSCILLOSCOPE

For Field, Laboratory and
Production Applications
New Step-Ahead Design
Gives Big Scope Features
In a Rugged,
Lightweight Instrument

You get more total performance, more usability in the new
hp 180A Oscilloscope—more than any other scope on the market!
You get this greater measurement capability in a 30-pound
package that goes anywhere—field, laboratory or production
line. Designed from the user’s viewpoint in, this new high-fre-
quency scope is packed with new ideas and innovations to give
you big picture CRT, plug-in versatility, step-ahead electrical
performance, minimum weight and rugged design.

With hp’s all-new CRT, you get a big picture 8 x 10 cm dis-
play in a compact 17-inch tube length to allow portability. Dis-
play area is 30% larger than on existing high-frequency scopes
—and 100% larger than some portable scopes. This means that
you make accurate measurements, easier!

The vertical amplifier drives the CRT vertical deflection
plates directly, requiring only 3 v/em. This allows extended
bandwidth capabilities, and means the vertical amplifier is light-
weight, requires low power. Solid-state amplifiers with FET input
stages provide stable gain and low drift for accurate measure-
ments. Vertical attenuation, which sets vertical deflection factor,
is ahead of the amplifier. This prevents trace jumps as you
change ranges; bandwidth is maintained on all ranges even
when verniers are used.

For easy viewing of the leading edge of a fast pulse, a new
lightweight 160 nsec, 140 MHz etched circuit delay line was
developed. Wide bandwidth together with good impedance
characteristics insure clean display of input signal.

A new type of horizontal amplifier has wide bandwidth with
X10 magnification to provide linear 5 nsec/cm sweeps, giving
you greater resolution of high frequency signals and fast pulses.

Circuitry in the new 180A is 100% solid state. Only premium
quality components were used throughout. This means you have
lower power requirements, lighter weight and increased reli-
ability. This results in the utilization of convection cooling—no
fans.

Circuit boards in the scope are arranged to provide easy ac-
cess to all circuitry. Snap-off covers give quick access. The con-
trol panel has been “human-engineered’’—control knobs and
switches are ‘‘convenience-grouped”’ and plainly marked to
make them easier to see, easier to operate. Control panel and
nomenclature are selective dye anodized for permanence.

Ask your nearest hp field representative fora demonstration
of the 180A Oscilloscope, and he will show how you can see
more, do more with this new big picture, 30-pound scope!

DO MORE!

ACCESSORIES

More Performance Than Any Other Scope—And in a 30-Pound Package! |

Large Area 8 x 10 cm CRT

- New design breakthrough offers a shorter,
high-frequency CRT with picture area from
30% to 100% greater than any other high-
frequency scope. Accurate measurements are
easier to read and view.

Deflection plates require only 3 v/cm drive—
- allows extended bandwidth capabilities.

- 12 kv accelerating potential produces bright,
easy-to-see traces, even at 5nsec/cm sweeps.

¢ Snap-off bezel for easy installation of new hp
contrast filters or special graticules.

«Beam finder for rapid location of trace.

«Internal graticule calibrated in centimeters
eliminates parallax error; flood guns allow
variable background illumination for opti-
mum contrast of graticule and trace.

Plug-In Versatility

* Now 1801A dual channel vertical amplifier
—dc to 50 MHz bandwidth (all ranges). 7

nsec rise time.
—5 mv/em to 20 v/cm range.
—A + B, and A — B operation.

—internal trigger on Channel B in ALT and
CHOP modes for time correlation of traces.

—triggering to 90 MHz.
—sweeps from 1 sec/cm to 10 nsec/cm.
—easy-to-use delayed sweep.

—mixed sweep for slow/fast sweep display.

—bright line automatic triggering.

Now 1820A time base
—triggering to 90 MHz.
—sweeps from 2 sec/cm to 5 nsec/cm.

—variable holdoff locks-in complex wave-

forms.
—bright line automatic triggering.

»More plug-ins to come—for extended capa-

bilities.

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