MODEL NO.
D AT 76 1 9 9
F E AT U R E S
300 - 1000 MHz
Highest Attenuation 127 dB
Fast Speed, 100 nSec
Medium Power, +18 dBm Operate
7 BIT
D A I C O
I n d u s t r i e s
Rev. - / Iss. 1
Attenuator 7 Section
1.50
.03
1.300
.25
J1
.15
.05
.34
.06
.106 DIA THRU
4 PLACES
CONNECTOR
SMA FEMALE
2 PLACES
.025
.002 DIA
12 PLACES
.20
1.00
.03
1.75
.03
J2
N/C
GND
8dB
16dB
1dB
0.5dB
2dB
4dB
32dB
GND
+5V
GND
1.550
.10
PART
.10
.25
2 PLACES
IDENTIFICATION
.xx = .02
.xxx = .010
0.38
.02
"0"
"0"
"0"
"0"
"0"
"0"
"1"
-15V
GND
1 dB
64dB
32dB
16dB
8dB
4 dB
2dB
1dB
C7
C6
C5
C4
C3
C2
C1
GND
+15V
RF
IN/OUT
2 dB
4dB
8 dB
16 dB
32 dB
64 dB
RF
IN/OUT
1.6
1.5
1.4
1.3
1.2
1.1
6
5
4
3
2
1
VSWR
I.L. (dB)
FREQUENCY (MHz)
1.7
1.0
7
0
4000
1000
400
100
10
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
Parameter
Min Typ
Max Units
Conditions
Operating Frequency
300
1000
MHz
DC Current
12.7
35
mA
At +15 VDC Supply
2.0
50
mA
At -15 VDC Supply
Control Type
TTL
7 Line
Logic "0" = Thru
Logic "1" = Attenuation
Control Current
High
10
100
A
VIH = +2.7 V
Low
10
100
A
VIL = +0.5 V
Insertion Loss
3.5
4.5
dB
Attenuation
LSB
1
dB
Range
0
127
dB
1, 2, 4, 8, 16, 32, 64
Accuracy
dB
2% of Attenuation
@ 700 MHz
Setting in dB
VSWR
1.25/1
1.5/1
Impedance
50
OHMS
Switching Speed
60
100
nSec
50% TTL to 90% / 10% RF
Transition (Rise/Fall) Time
22
nSec
90% / 10% or 10% / 90% RF
Switching
(Video)
Transients
42
100
mV
Peak Value
Intercept Points
2nd
+68
dBm
350 MHz / 400 MHz
3rd
+39
dBm
575 MHz / 400 MHz
RF Power
Operate
+21
+18
dBm
0.1 dB Compression
No Damage
+27
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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