MODEL NO.
D A 0 7 8 6
F E AT U R E S
10 - 1000 MHz
1 mA, +5 VDC
1 dB LSB, 63 dB Range
34 nSec Switching Speed
15 nSec Transition Time
TTL Control
24 Pin Surface Mount Version
See DA0886 for 24 Pin DIP Version
6 BIT
D A I C O
I n d u s t r i e s
Rev. A / Iss. 1
GaAs 6 Section Attenuator
.xx = .02
.xxx = .010
.100 TYP
(FLANGE)
(LEAD)
.053 R
TYP
1
12
13
24
COLOR BEAD
CONTRASTING
PART
IDENTIFICATION
.20
.015 TYP
.010
.002
TYP
.015
.002
TYP
.040
TYP
.60 TYP
.375 TYP
.77
1.100
.100 TYP
1.36
1.560
"0"
16DB
+5V
GND
32DB
1DB
2DB
4DB
8DB
GND
GND GND GND
"1"
"0"
"0"
"0"
"0"
OUT/IN
RF
RF
IN/OUT 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
CONT1
CONT2
CONT3
CONT4
CONT5
CONT6
16 DB
32 DB
1 DB
2 DB
4 DB
8 DB
N/C = NO INTERNAL CONNECTION
Parameter
Min Typ
Max Units
Conditions
Operating Frequency
10
1000
MHz
DC Current
1
5
mA
At +5 VDC Supply
Control Type
TTL
6 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
4.2
5.5
dB
10 - 100 MHz
6.3
7.5
dB
100 - 1000 MHz
Attenuation
LSB
1
dB
Range
0
63
dB
1, 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
34
50
nSec
50% TTL to 90% / 10% RF
Transition (Rise/Fall) Time
15
nSec
90% / 10% or 10% / 90% RF
Switching
(Video)
Transients
280
mV
Peak Value
Intercept Points
2nd
+64
dBm
70 MHz / 50 MHz
3rd
+44
dBm
35 MHz / 50 MHz
RF Power
Operate
+12
+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
I.L. (dB)
VSWR
T Y P I C A L P E R F O R M A N C E
a t 2 5
C
3000
1000
400
100
40
10
4
1
8
1.8
2
4
6
1.6
1.4
1.2
1.0
0
FREQUENCY (MHz)
VSWR
I. LOSS
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