FE AT UR ES
10 - 150 MHz
20 nSec Switching Speed
3.5 dB Insertion Loss
0.1 dB LSB, 12.7 dB Range
TTL Control
See DA0775 for Surface Mount Version
MODEL NO.
DA 0375
Schottky Diode
7 Section Attenuator
7 BIT
PART
IDENTIFICATION
2.00 MAX
RF GND
GND RF
IN/OUT
IN/OUT
38
37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21
20
• • • • • • • • • • • • • • • •
3.2 dB
1.6 dB
0.2 dB
0.4 dB
0.1 dB
0.8 dB
6.4 dB
.20
.20
.018
±.002
DIA
38 PLACES
1.800
CONTRASTING
COLOR BEAD
1
• •
•
••
1
19
• •
•
• •
•
• •
•
• •
•
• •
•
• •
•
•
.100 TYP
2
3
4
5
3.2dB
6
GND
7
1.6dB
"0"
8
9
C3
0.2dB
"0"
10
GND
11
C4
0.4dB
"0"
12
GND
13
C5
0.1dB
"0"
14
GND
15
C6
0.8dB
"0"
16
GND
17
C7
6.4dB
"0"
18
GND
19
GND
+5V GND GND GND C1
C2 GND
.800
38
20
1.00 MAX
"1"
.xx = .02
.xxx = .010
GUARANTEED PERFORMANCE
Parameter
I.L. (dB)
Min Typ Max Units
10
390
TTL
150
540
MHz
mA
Conditions
At +5 VDC Supply
7 Line
Logic “0” = Thru
Logic “1” = Attenuation
VIH = +2.7 V
VIL = +0.5 V
45 - 75 MHz (±0.5 dB)
10 - 150 MHz
0.1, 0.2, 0.4, 0.8, 1.6, 3.2, 6.4
0.1 dB to 0.9 dB:
±
(0.05 dB
+15% of Atten. Setting in dB)
1.0 dB to 12.7 dB:
±
(0.15 dB
+2% of Atten. Setting in dB)
TY PICA L PE R F O R MA N CE
at 25
°C
Operating Frequency
DC Current
Control Type
VSWR
1.6
6.0
Control Current
1.5
5.0
High
Low
25
-200
3.5
4.0
Insertion Loss
1.4
4.0
I. LOSS
Attenuation
LSB
Range
Accuracy
0.1
0
12.7
µA
µA
dB
dB
dB
dB
dB
1.3
3.0
1.2
2.0
VSWR
1.1
1.0
VSWR
Impedance
Switching Speed
Transition (Rise/Fall) Time
Switching
(Video)
Transients
Intercept Points
2nd
3rd
400
1000
1.15/1
50
20
7
+93
+36
+15
-55
+25
1.35/1
35
0.5
OHMS
nSec
nSec
V
dBm
dBm
dBm
dBm
°C
50% TTL to 90% / 10% RF
90% / 10% or 10% / 90% RF
Peak Value
MHz
MHz
0.1 dB Compression
TA
1.0
0
10
40
100
RF Power
Operate
No Damage
FREQUENCY (MHz)
Operating Temperature
+10
+20
+85
DA I C O
In d u s t r i e s
Rev. D / Iss. 1
DAICO [ DAICO INDUSTRIES, INC. ]
