FE AT UR ES
30 - 500 MHz
30 mA, +5 VDC
0.5 dB LSB, 63.5 dB Range
CMOS Control
See 100C01585 for Connectorized Version
MODEL NO.
DA028 5
PIN Diode 7 Section Attenuator
7 BIT
PART
IDENTIFICATION
2.00 MAX
RF GND
GND RF
IN/OUT
IN/OUT
38
37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21
20
• • • • • • • • • • • • • • • •
32 dB
0.5 dB
1 dB
2 dB
4 dB
8 dB
16 dB
.20
.20
.018
±.002
DIA
38 PLACES
1.800
CONTRASTING
COLOR BEAD
1
• •
•
•
1
19
+V
• •
•
•
• •
•
• •
•
••
• •
•
• •
•
•
• •
•
•
.100 TYP
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19
C5 GND GND C6
C7 GND GND
"0"
"0" "0"
D.C.
4dB
8dB 16dB
GND GND
C1 GND GND C2
C3 GND GND GND C4
"0" "0"
"0"
"1"
0.5dB 1dB
2dB
32dB
.800
38
20
1.00 MAX
.xx = .02
.xxx = .010
GUARANTEED PERFORMANCE
Parameter
I.L. (dB)
VSWR
Min Typ Max Units
30
30
CMOS
500
50
MHz
mA
Conditions
At +5 VDC Supply
7 Line
Logic “0” = Thru
Logic “1” = Attenuation
VIH = +2.7 V
VIL = +0.5 V
TYPI CAL P ER F O R MA N CE
at 25°C
Operating Frequency
DC Current
Control Type
1.5
10
Control Current
1.4
8
High
Low
Insertion Loss
Attenuation
LSB
Range
4.2
0.5
0
40
-200
6.0
63.5
1.3
6
Accuracy
µA
µA
dB
dB
dB
dB
1.2
4
I. LOSS
0.5, 1, 2, 4, 8, 16, 32
±
(0.15 dB +2% of Atten.
Setting in dB) for Values
≥1
dB
±
.05 dB +15% of
Atten. - dB for Values <1 dB
1.1
2
VSWR
1.0
0
10
40
100
400
1000
VSWR
Impedance
Switching Speed
Transition (Rise/Fall) Time
Switching
(Video)
Transients
RF Power
Operate
No Damage
1.2/1
50
5.0
1
100
+18
-55
+25
1.35/1
20
OHMS
µSec
µSec
mV
dBm
dBm
°C
50% Control to 90% / 10% RF
90% / 10% or 10% / 90% RF
0.1 dB Compression
TA
FREQUENCY (MHz)
Operating Temperature
+13
+20
+125
DA I C O
In d u s t r i e s
Rev. H / Iss. 1
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