ATTENUATORS
ATTENUATORS
APPLICATIONS
•Accurate high power attenuation for microstrip designs
•Antenna matching
•High power digital attenuators 26
FEATURES
•Power to 100 watts CW
•Frequency ranges from DC to 2.5 GHz
•Values from 0 – 30 dB in 1 dB steps
•Excellent broadband VSWR
•Flat attenuation across full bandwidth
•Aluminum Nitride (AIN) and
Beryllium Oxide (BeO)
•Thin-film/thick-film (thick-film standard)
•Copper and copper/tungsten mounting
flanges (copper standard)
•Nickel, silver and gold plating (nickel
standard)
•High temperature attachment
•Welded leads
•Custom designs
ATTENUATORS
HF20 SERIES (HALF FLANGE)
FL40 SERIES (FLANGELESS)
FF50 SERIES (FULL FLANGE)
ALUMINUM BERYLLIUM ATTENUATION
NITRIDE OXIDE VALUE POWER TOLERANCE FREQUENCY VSWR
MODEL NUMBER MODEL NUMBER (dB) (Watts, CW) (±dB) (GHz) (Max.)
ATT-20-1HF BTT-20-1HF 1 20 0.2 2.5 1.2:1
ATT-20-2HF BTT-20-2HF 2 20 0.2 2.5 1.2:1
ATT-20-3HF BTT-20-3HF 3 20 0.2 2.5 1.2:1
ATT-20-4HF BTT-20-4HF 4 20 0.2 2.5 1.2:1
ATT-20-5HF BTT-20-5HF 5 20 0.2 2.5 1.2:1
ATT-20-6HF BTT-20-6HF 6 20 0.2 2.5 1.2:1
ATT-20-7HF BTT-20-7HF 7 20 0.2 2.5 1.2:1
ATT-20-8HF BTT-20-8HF 8 20 0.2 2.5 1.2:1
ATT-20-9HF BTT-20-9HF 9 20 0.2 2.5 1.2:1
ATT-20-10HF BTT-20-10HF 10 20 0.5 2.5 1.15:1
ATT-20-15HF BTT-20-15HF 15 20 0.5 2.5 1.15:1
ATT-20-20HF BTT-20-20HF 20 20 1 2.5 1.15:1
ATT-20-30HF BTT-20-30HF 30 20 1 2.5 1.15:1
ATT-40-1FL BTT-40-1FL 1 40 0.2 2.5 1.2:1
ATT-40-2FL BTT-40-2FL 2 40 0.2 2.5 1.2:1
ATT-40-3FL BTT-40-3FL 3 40 0.2 2.5 1.2:1
ATT-40-4FL BTT-40-4FL 4 40 0.2 2.5 1.2:1
ATT-40-5FL BTT-40-5FL 5 40 0.2 2.5 1.2:1
ATT-40-6FL BTT-40-6FL 6 40 0.2 2.5 1.2:1
ATT-40-7FL BTT-40-7FL 7 40 0.2 2.5 1.2:1
ATT-40-8FL BTT-40-8FL 8 40 0.2 2.5 1.2:1
ATT-40-9FL BTT-40-9FL 9 40 0.2 2.5 1.2:1
ATT-40-10FL BTT-40-10FL 10 40 0.5 2.5 1.15:1
ATT-40-15FL BTT-40-15FL 15 40 0.5 2.5 1.15:1
ATT-40-20FL BTT-40-20FL 20 40 1 2.5 1.15:1
ATT-40-30FL BTT-40-30FL 30 40 1 2.5 1.15:1
ATT-50-1FF BTT-50-1FF 1 50 0.2 2.3 1.25:1
ATT-50-2FF BTT-50-2FF 2 50 0.2 2.3 1.25:1
ATT-50-3FF BTT-50-3FF 3 50 0.2 2.3 1.25:1
ATT-50-4FF BTT-50-4FF 4 50 0.2 2.3 1.25:1
ATT-50-5FF BTT-50-5FF 5 50 0.2 2.3 1.25:1
ATT-50-6FF BTT-50-6FF 6 50 0.3 2.3 1.2:1
ATT-50-7FF BTT-50-7FF 7 50 0.3 2.3 1.2:1
ATT-50-8FF BTT-50-8FF 8 50 0.3 2.3 1.2:1
ATT-50-9FF BTT-50-9FF 9 50 0.4 2.3 1.2:1
ATT-50-10FF BTT-50-10FF 10 50 0.5 2.3 1.2:1
ATT-50-15FF BTT-50-15FF 15 50 1 2.3 1.2:1
ATT-50-20FF BTT-50-20FF 20 50 1 3 1.2:1
ATT-50-30FF BTT-50-30FF 30 50 1 3 1.2:1
See outline drawings on page 29.
ENVIRONMENTAL CONDITIONS
Operating temperature ................................................... -55 to +75°C (base plate)
Storage temperature...................................................... -55 to +100°C
Humidity......................................................................... 95% relative humidity, noncondensing
Vibration......................................................................... 7 g’s rms, 50–5000 CPS per MIL-STD-810B,
Method 514, Procedure 5
27
ATTENUATORS (CONT.)
HF75 SERIES (HALF FLANGE)
FF100 SERIES (FULL FLANGE)
FL100 SERIES (FLANGELESS)
ATT-75-1HF BTT-75-1HF 1 75 0.2 2.3 1.25:1
ATT-75-2HF BTT-75-2HF 2 75 0.2 2.3 1.25:1
ATT-75-3HF BTT-75-3HF 3 75 0.2 2.3 1.25:1
ATT-75-4HF BTT-75-4HF 4 75 0.2 2.3 1.25:1
ATT-75-5HF BTT-75-5HF 5 75 0.2 2.3 1.25:1
ATT-75-6HF BTT-75-6HF 6 75 0.2 2.3 1.25:1
ATT-75-7HF BTT-75-7HF 7 75 0.2 2.3 1.25:1
ATT-75-8HF BTT-75-8HF 8 75 0.2 2.3 1.25:1
ATT-75-9HF BTT-75-9HF 9 75 0.2 2.3 1.25:1
ATT-75-10HF BTT-75-10HF 10 75 0.5 2.3 1.2:1
ATT-75-15HF BTT-75-15HF 15 75 0.5 2.3 1.2:1
ATT-75-20HF BTT-75-20HF 20 75 1 3 1.2:1
ATT-75-30HF BTT-75-30HF 30 75 1 3 1.2:1
ATT-100-1FF BTT-100-1FF 1 100 0.2 2.3 1.25:1
ATT-100-2FF BTT-100-2FF 2 100 0.2 2.3 1.25:1
ATT-100-3FF BTT-100-3FF 3 100 0.2 2.3 1.25:1
ATT-100-4FF BTT-100-4FF 4 100 0.2 2.3 1.25:1
ATT-100-5FF BTT-100-5FF 5 100 0.2 2.3 1.25:1
ATT-100-6FF BTT-100-6FF 6 100 0.3 2.3 1.2:1
ATT-100-7FF BTT-100-7FF 7 100 0.2 2.3 1.2:1
ATT-100-8FF BTT-100-8FF 8 100 0.3 2.3 1.2:1
ATT-100-9FF BTT-100-9FF 9 100 0.4 2.3 1.2:1
ATT-100-10FF BTT-100-10FF 10 100 0.5 2.3 1.2:1
ATT-100-15FF BTT-100-15FF 15 100 0.5 2.3 1.2:1
ATT-100-20FF BTT-100-20FF 20 100 1 3 1.2:1
ATT-100-30FF BTT-100-30FF 30 100 1 3 1.2:1
ATT-100-1FL BTT-100-1FL 1 100 0.2 2.3 1.25:1
ATT-100-2FL BTT-100-2FL 2 100 0.2 2.3 1.25:1
ATT-100-3FL BTT-100-3FL 3 100 0.2 2.3 1.25:1
ATT-100-4FL BTT-100-4FL 4 100 0.2 2.3 1.25:1
ATT-100-5FL BTT-100-5FL 5 100 0.2 2.3 1.25:1
ATT-100-6FL BTT-100-6FL 6 100 0.3 2.3 1.2:1
ATT-100-7FL BTT-100-7FL 7 100 0.2 2.3 1.2:1
ATT-100-8FL BTT-100-8FL 8 100 0.3 2.3 1.2:1
ATT-100-9FL BTT-100-9FL 9 100 0.4 2.3 1.2:1
ATT-100-10FL BTT-100-10FL 10 100 0.5 2.3 1.2:1
ATT-100-15FL BTT-100-15FL 15 100 0.5 2.3 1.2:1
ATT-100-20FL BTT-100-20FL 20 100 1 3 1.2:1
ATT-100-30FL BTT-100-30FL 30 100 1 3 1.2:1
See outline drawings on page 29.
ALUMINUM BERYLLIUM ATTENUATION
NITRIDE OXIDE VALUE POWER TOLERANCE FREQUENCY VSWR
MODEL NUMBER MODEL NUMBER (dB) (Watts, CW) (±dB) (GHz) (Max.)
28
ATTENUATOR OUTLINE DRAWINGS
HF75 SERIESHF20 SERIES
.050
[1.27]
.130 [3.30] DIA.
.575 [14.605]
.400
[10.16]
.120
[3.05]
.225 [5.72]
.11 [2.80]
.062 [1.588]
.100 [2.54]
.120 [3.048]
.125
[3.18]
.125
[3.18]
Ø.116 [2.95] THRU
(2 PLACES)
.515
[13.08]
.150 [3.81]
.062 [1.57]
.250
[6.35]
.035 [.89]
.050 [1.27]
.102 [2.59]
TO BOTTOM
OF LEAD
NOTE: DIMENSIONS SHOWN IN BRACKETS [ ] ARE IN MILLIMETERS. MINIMUM LEAD LENGTH IS .150” [3.810].
FL100 SERIESFL40 SERIES
.250
[6.35]
.070
[1.78]
.040
[1.02]
.250
[6.35]
.035
[.89]
.050
[1.27]
.225
[5.72]
.070
[1.78]
.042
[1.067]
.350
[8.89]
1.75
[4.45]
.50 [1.27]
FF100 SERIESFF50 SERIES
.225
[5.72] .11
[2.79]
.130
[3.30]
.100
[2.54]
.062 [1.57]
.800 [20.32]
.400 [10.16]
.120 [3.05]
.130 [3.30]
DIA.
.560 [14.22]
.50 [1.27]
.225
[5.72] .11
[2.79]
.130
[3.30]
.100
[2.54]
.062 [1.57]
.800 [20.32]
.400 [10.16]
.120 [3.05]
.130 [3.30]
DIA.
.560 [14.22]
.350 [8.89]
.50 [1.27]
HALF FLANGE/FULL FLANGE/FLANGE/FLANGELESS
29
