FEATURES
5 BIT
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
PART
1.560
1.36
112
.100 TYP
1.100
CONTRASTING
COLOR BEAD
IDENTIFICATION
.100 TYP
1324
.375 TYP
.015±.002
TYP
.040
TYP
.60
TYP
.053 R
TYP
.xx = .02
.xxx = .010
.015
(FLANGE)
.77
.010±.002
TYP
(LEAD)
.20
MODEL NO.
DA0757
GaAs 5 Section Attenuator
IN/OUT
GND GND GND GND GND GND GND GND GND GND
24 23 22 21 20 19 18 17 16 15 14 13
• ••••••••
16 DB32 DB 2 DB 4 DB 8 DB
•• •• •• •• ••
•••••
••
+5V GND
GND GND GND GND
N/C
32DB 2DB 4DB 8DB
"0" "0" "0" "0"
N/C = NO INTERNAL CONNECTION
16DB
"0"
RFRF
IN/OUT
•
121110987654321
2.2
2.0
1.8
1.6
1.4
1.2
1.0
VSWR
12
10
8
6
4
2
0
I.L. (dB)
1
TYPICAL PERFORMANCE
5
at 25°C
10
FREQUENCY (MHz)
10050
I. LOSS
VSWR
500
1000
3000
GUARANTEED PERFORMANCE
Parameter Min Typ Max Units Conditions
Operating Frequency 10 1000 MHz
DC Current 15mA At +5 VDC Supply
Control Type TTL 5 Line
Control Current
High
Low
0 ±40 µA VIH = +3.0 V
0 ±40 µA VIL = +0.5 V
Insertion Loss 4.0 5.2 dB 10 - 100 MHz
Attenuation
LSB
Range
Accuracy
5.6 7.0 dB 100 - 1000 MHz
2dB
062dB 2, 4, 8, 16, 32
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
RF Power
2nd
3rd
Operate
No Damage
+65 dBm 70 MHz / 50 MHz
+44 dBm 35 MHz / 50 MHz
+13 +10 dBm 0.1 dB Compression
+27 dBm
Operating Temperature -55 +25 +125 °CTA
Logic “0” = Thru
Logic “1” = Attenuation
dB ± (0.25 dB ± 2% of Atten.
Setting in dB)
DAICO I ndustries
Rev. A / Iss. 1