MODEL NO.
DA0900
Dual Attenuator / Amplifier
F E AT U R E S
Total Integration of GaAs MMIC
Attenuators, Silicon MMIC Amplifiers,
and TTL Drivers
Ultra Small 1.3 x 1.5 Surface Mount
Package
Phase and Amplitude Balance
Channel to Channel
HDI
D A I C O
I n d u s t r i e s
Rev. - / Iss. 1
RF IN (A)
GND
16 dB
8 dB
4 dB
2 dB
GND
RF IN (B)
RF OUT (A)
GND
32 dB
+12 V
+5 V
1 dB
GND
RF OUT (B)
.015
.002
16 PLACES
CONTRASTING
COLOR BEAD
1
1.500
.200
.200
9
16
.200
.100
TYP
1.300
8
.010
.002
16 PLACES
.142 TYP
.032 TYP
PART
IDENTIFICATION
.23
.005
.xx = .02
.xxx = .010
ATTEN
6 SECTION
ATTEN
6 SECTION
16 (A)
RF OUT
AMPLIFIER
(A) 1
RF IN
GND 2
16 dB 3
8 dB 4
4 dB 5
2 dB 6
GND 7
(B) 8
RF IN
9 (B)
RF OUT
15 GND
14 32 dB
13 +12V
12 +5V
11 1 dB
10 GND
AMPLIFIER
T Y P I C A L P E R F O R M A N C E
a t 2 5
C
100
0
10
40
100
400
1000
0
50
1.0
2.0
ISO (dB)
Cnannel
To
Channel
GAIN (dB)
VSWR
80
60
40
20
10
20
30
40
1.2
1.4
1.8
FREQUENCY (MHz)
1.6
VSWR
GAIN
ISO
G U A R A N T E E D P E R F O R M A N C E
Parameter
Min Typ
Max Units
Conditions
Operating Frequency
20
300
MHz
DC Current
3
10
mA
At +5 VDC Supply
34
50
mA
At +12 VDC Supply
Control Type
TTL
6 Line
Logic "0" = Thru
Logic "1" = Attenuation
Control Current
High
0
40
A
VIH = +2.7V
Low
0
40
A
VIL = +0.5V
Insertion Gain
14
16
20
dB
Noise Figure
7
10
dB
Isolation
Channel to Channel
60
66
dB
20 - 100 MHz
40
54
dB
100 - 300 MHz
Phase Vs. Attenuation
6
10
DEG
Balance
2
5
DEG
Channel to Channel
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)
Balance
0.2
0.5
dB
Channel to Channel
VSWR
1.2/1
1.4/1
Impedance
50
OHMS
Switching Speed
36
50
nSec
50% TTL to 90% / 10% RF
Transition (Rise/Fall) Time
20
nSec
90% / 10% or 10% / 90% RF
RF Power
Operate
+5
+0
dBm
0.1 dB Compression
No Damage
+20
dBm
Operating Temperature
-55
+25
+85
C
TA
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