MODEL NO.
D A 0 7 5 7
F E AT U R E S
10 - 1000 MHz
2 dB LSB, 62 dB Range
32 nSec Switching Speed
18 nSec Transition Time
TTL Control
24 Pin DIP Surface Mount Version
See DA0857 for 24 Pin DIP Version
5 BIT
D A I C O
I n d u s t r i e s
Rev. A / Iss. 1
FREQUENCY (MHz)
GaAs 5 Section Attenuator
.xx = .02
.xxx = .010
(FLANGE)
(LEAD)
.20
.015
.010
.002
TYP
.77
.100 TYP
.053 R
TYP
1
12
13
24
PART
IDENTIFICATION
.015
.002
TYP
.040
TYP
.60
TYP
.375 TYP
1.100
.100 TYP
1.36
1.560
COLOR BEAD
CONTRASTING
Parameter
Min Typ
Max Units
Conditions
Operating Frequency
10
1000
MHz
DC Current
1
5
mA
At +5 VDC Supply
Control Type
TTL
5 Line
Logic "0" = Thru
Logic "1" = Attenuation
Control Current
High
0
40
A
VIH = +3.0 V
Low
0
40
A
VIL = +0.5 V
Insertion Loss
4.0
5.2
dB
10 - 100 MHz
5.6
7.0
dB
100 - 1000 MHz
Attenuation
LSB
2
dB
Range
0
62
dB
2, 4, 8, 16, 32
Accuracy
dB
(0.25 dB
2% of Atten.
Setting in dB)
VSWR
1.2/1
1.4/1
Impedance
50
OHMS
Switching Speed
32
50
nSec
50% TTL - 90% / 10% RF
Transition (Rise/Fall) Time
18
nSec
10% / 90% - 90% / 10% RF
Switching
(Video)
Transients
215
mV
Peak Value
Intercept Points
2nd
+65
dBm
70 MHz / 50 MHz
3rd
+44
dBm
35 MHz / 50 MHz
RF Power
Operate
+13
+10
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
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.L. (dB)
1000
500
100
50
10
5
1
1.8
1.6
1.4
1.2
1.0
8
6
4
2
0
3000
10
12
2.0
2.2
I. LOSS
VSWR
N/C = NO INTERNAL CONNECTION
"0"
16DB
+5V
GND
32DB
2DB
4DB
8DB
GND
GND GND GND
"0"
"0"
"0"
"0"
IN/OUT
RF
RF
IN/OUT GND GND GND GND GND GND GND GND GND GND
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
N/C
16 DB
32 DB
2 DB
4 DB
8 DB
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