DAICO DA0984-1 Datasheet

FEATURES

4 BIT

10 - 1000 MHz

0.8 mA, +5 VDC
1 dB LSB, 15 dB Range
20 nSec Switching Speed
12 nSec Rise Time
TTL Control
12 Pin TO-8 Package
See DA0784-1 For Surface Mount Package

.200

TYP

.25

.20

.100
TYP

PART
IDENTIFICATION

.55

DIA

.60

12

1

45˚

.200

.400

.018±.002 DIA
12 PLACES

RF

IN/OUT

7

2,4-6,8

GND +5V

MODEL NO.

DA0984-1

GaAs 4 Section Attenuator

8 dB 4 dB 2 dB 1 dB

•• •• •• ••

9

10 11 12 1

CONT 4 CONT 3 CONT 2 CONT 1

8 dB 4 dB

"1"

"0" "0"

GUARANTEED PERFORMANCE

2 dB

1 dB

"0"

RF

OUT/IN

3

VSWR

2.2 3.0

2.0

2.5

1.8

2.0

1.6

1.5

1.4

1.0

1.2

0.5

1.0

TYPICAL PERFORMANCE

I.L. (dB)

0

DAICO I ndustries

at 25°C

I.L. (dB)

VSWR

100101

FREQUENCY (MHz)

Parameter Min Typ Max Units Conditions

Operating Frequency 10 1000 MHz
DC Current 0.8 2.0 mA At +5 VDC Supply
Control Type TTL 4 Line

Logic “1” = Attenuation

Control Current

High

Low

0 ±20 µA VIH = +2.7 Volts
0 ±20 µA VIL = 0.5 Volts

Insertion Loss 1.9 2.5 dB MHz
Attenuation

LSB

Range

15 dB 1, 2, 4, 8

Accuracy

1dB

VSWR 1.2/1 1.6/1
Impedance 50 OHMS
Switching Speed 20 30 nSec 50% TTL - 90% / 10% RF
Transition (Rise/Fall) Time 12 nSec 10% / 90% - 90% / 10% RF
Switching (Video) Transients 48 mV Peak Value

3000

1000

400404

Intercept Points

RF Power

2nd

3rd

Operate

No Damage

+54 dBm 70 MHz / 50 MHz
+38 dBm 35 MHz / 50 MHz

+9 +6 dBm 0.1 dB Compression (<50 MHz)

+14 +10 dBm 0.1 dB Compression (>50 MHz)

+23 dBm

Operating Temperature -55 +25 +85 °CTA

Logic “0” = Thru

dB +0.15 dB +2% of Atten.

Setting in dB

-0.35 dB +2% of Atten.
Setting in dB

Rev. C / Iss. 1