Models 19 & 1454 dc to 18.0/26.5 GHz
GPO™Fixed Coaxial Attenuators 1 Watt
& Terminations
SMP Connectors: Compatible with Gilbert GPO™
NOTE: All dimensions are given in mm (inches) and are
maximum, unless otherwise specified.
MODEL NUMBER DESCRIPTION:
Fixed Attenuator (19) Example:
19 - XX - X
Termination (1454) Example:
1454 - X
Basic
Model
Number
Attenuation
Value (dB)
Detent Option
-1 Smooth Bore
-2 Limited
-3 Full
Basic
Model
Number
Detent Option
-1 Smooth Bore
-2 Limited
-3 Full
CONSTRUCTION: Aluminum body, stainless steel connec-
tors and beryllium copper center conductors.
WEIGHT: 2.2 G (0.08 oz.) maximum
PHYSICAL DIMENSIONS:
Frequency (GHz) 19 1454
dc - 4 1.15 1.20
4 - 8 1.20 1.20
8 - 12.4 1.25 1.20
12.4 - 18.0 1.35 1.20
18.0 - 26.5 - - - 1.35
*When mating SMP/GPO™ are optimally aligned and the gap between the
connector reference planes is minimum.
Features
oSmall & Lightweight
oIdeal for Airborne & Space Applications - Qualified
Designs Available.
oCustom Designs - Special Configurations such as
models with an SMA connector on one end.
Specifications
NOMINAL IMPEDANCE: 50 Ω
FREQUENCY RANGE: Model 19: dc to 18.0 GHz
Model 1454: dc to 26.5 GHz
MAXIMUM SWR*:
MAXIMUM DEVIATION OVER FREQUENCY:
Nominal ATTN (dB) Deviation (dB)
1-12 +0.4
20 +0.7
POWER RATING: 1.0 watt average to 25°C ambient
temperature, derated linearly to 0.1 watts @ 125°C.
250 watts peak maximum (5 µsec pulse width; 0.2% duty
cycle).
POWER COEFFICIENT: < 0.005 dB/dB/watt
TEMPERATURE COEFFICIENT: < 0.0004 dB/dB/°C
TEMPERATURE RANGE: -55°C to +125°C.
CALIBRATION: Insertion Loss and SWR Testing performed
across frequency range. Test data available at additional
cost.
CONNECTORS: SMP male connectors per DESC
specification 94007 - mate nondestructively with SMP
female per DESC 94008 and Gilbert GPO™ series
connectors. Options include smooth bore (-1), limited detent
(-2), and full detent (-3).
NOTE: GPO™ is a Trademark of Gilbert Engineering Co., Inc.
Model 19:
5305 Spectrum Drive, Frederick, MD 21703-7362 TEL: 301-846-9222, 800-638-2048 Fax: 301-846-9116
web: www.weinschel.com email: sales@weinschel.com
21
Model 1454:
10/23/01
