MODEL NO.
D AT 76 228
F E AT U R E S
800 - 2000 MHz
0.5 dB LSB
SMA Female Connectors
+5 Volts, 15 mA
7 BIT
D A I C O
I n d u s t r i e s
Rev. - / Iss. 1
Attenuator 7 Section
"0"
"0"
"0"
"0"
"0"
"0"
"1"
N/C
GND
32dB
16dB
8dB
4dB
2dB
1dB
.5dB
32dB
GND
+5V
J2
0.5dB
1dB
2dB
4dB
8dB
16dB
J1
T Y P I C A L P E R F O R M A N C E
a t 2 5
C
VSWR
I. Loss
10
40
100
400
1000
4000
0
4
8
12
16
1.0
1.2
1.4
1.6
1.8
I.L. (dB)
VSWR
FREQUENCY (MHz)
10000
1.50
.03
1.300
.25
J1
.15
.05
.106 DIA THRU
4 PLACES
.025
.002 DIA
12 PLACES
1.00
.03
J2
N/C
GND
8dB
16dB
1dB
0.5dB
2dB
4dB
32dB
GND
+5V
GND
1.550
.10
PART
IDENTIFICATION
.10
.25
.34
.06
CONNECTOR
SMA FEMALE
2 PLACES
.20
1.75
.03
.xx = .02
.xxx = .010
11 EQ. SP.
AT .100 CTR
(1.100)
Parameter
Min Typ
Max Units
Conditions
Operating Frequency
800
2000
MHz
DC Current
12
15
mA
At +5 VDC Supply
Control Type
TTL
7 Line
Logic "1" = Attenuation
Control Current
High
10
A
VIH = +2.7 V
Low
10
A
VIL = +0.5 V
Insertion Loss
7
9
dB
Attenuation
LSB
0.5
dB
Range
63.5
dB
0.5, 1, 2, 4, 8, 16, 32 dB
Accuracy
dB
(0.25dB +2% of Attenuation
Setting in dB)
VSWR
1.2/1
1.6/1
Impedance
50
OHMS
Switching Speed
1.1
1.5
Sec
50% TTL to 90% / 10% RF
Transition (Rise/Fall) Time
0.8
Sec
10% / 90% or 90% / 10% RF
Switching
(Video)
Transients
250
mV
Peak Value
Intercept Points
2nd
+60
+72
dBm
1700 MHz / 900 MHz
3rd
+25
+30
dBm
850 MHz / 900 MHz
RF Power
Operate
+22
+10
dBm
0.1 dB Compression
No Damage
+20
dBm
Operating Temperature
-55
+25
+125
C
TA
G U A R A N T E E D P E R F O R M A N C E
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