FE AT UR ES
10 - 1000 MHz
1 mA, +5 VDC
2 dB LSB, 62 dB Range
38 nSec Switching Speed
12 nSec Transition Time
TTL Control
24 Pin DIP
See DA0757 for Surface Mount Version
MODEL NO.
DA 0857
GaAs 5 Section Attenuator
5 BIT
PART IDENTIFICATION
RF
RF
IN/OUT GND GND GND GND GND GND GND GND GND GND IN/OUT
24
23
22
21
20
19
18
17
16
15
14
13
1.27
•
.20
.20
•
•
•
•
• • •
•
•
•
•
•
•
•
•
•
•
•
•
• •
•
•
1.100
.100 TYP
.018±.002 DIA
24 PLACES
•
•
•
1
12
.600
24
13
.77
1
+5V
2
3
GND GND
4
5
6
N/C 32DB 2DB
"0"
"0"
7
4DB
"1"
8
9
10
11
12
8DB 16DB GND GND GND
"0"
"0"
N/C = NO INTERNAL CONNECTION
CONTRASTING
COLOR BEAD
.xx = .02
.xxx = .010
G U ARANT E ED PE RF ORM ANCE
I.L. (dB)
VSWR
TYPIC AL PE R F O R MA N C E
at 25
°C
Parameter
Operating Frequency
DC Current
Control Type
Min Typ Max Units
10
1
TTL
1000
5
MHz
mA
Conditions
At +5 VDC Supply
5 Line
Logic “0” = Thru
Logic “1” = Attenuation
VIH = +3.0 V
VIL = +0.5 V
10 - 100 MHz
100 - 1000 MHz
2, 4, 8, 16, 32
±
(0.25 dB
±
2% of Atten.
Setting in dB)
2.2
12.0
2.0
10.0
Control Current
Insertion Loss
Attenuation
High
Low
1.8
8.0
LSB
Range
Accuracy
0
0
4.0
5.6
2
0
±40
±40
5.2
7.0
62
1.6
6.0
I. LOSS
µA
µA
dB
dB
dB
dB
dB
1.4
4.0
1.2
2.0
VSWR
VSWR
Impedance
Switching Speed
Transition (Rise/Fall) Time
Switching
(Video)
Transients
Intercept Points
2nd
3rd
500 1000
3000
1.0
0
1
5
10
50
100
RF Power
Operate
No Damage
1.2/1
50
32
18
215
+65
+44
+13
-55
+25
1.4/1
50
OHMS
nSec
nSec
mV
dBm
dBm
dBm
dBm
°C
50% TTL to 90% / 10% RF
90% / 10% or 10% / 90% RF
Peak Value
70 MHz / 50 MHz
35 MHz / 50 MHz
0.1 dB Compression
TA
FREQUENCY (MHz)
Operating Temperature
+10
+27
+125
DA I C O
In d u s t r i e s
Rev. A / Iss. 1
DAICO [ DAICO INDUSTRIES, INC. ]
