DAT41994 View Datasheet(PDF) - DAICO Industries

Part Name

Description

Manufacturer

DAT41994

GaAs 4 Section Attenuator

DAICO Industries 

4 BIT

F E AT U R E S

DC - 2000 MHz

< 1 mA, ±5 VDC

3 dB LSB, 30 dB Range

30 nSec Switching Speed

TTL Control

24 Pin DIP

.22

.18

PART IDENTIFICATION

1.27

1.100

.100 TYP

.018±.002 DIA

24 PLACES

1

.600

24

12

.77

13

CONTRASTING

COLOR BEAD

.xx = .02

.xxx = .010

TYPICAL PERFORMANCE

at 25°C

2.0

5

1.8

4

1.6

3

I. LOSS

1.4

2

1.2

1

1.0

0

1

VSWR

4 10

40 100

400 1000 3000

FREQUENCY (MHz)

MODEL NO.

D AT 4 1 9 9 4

GaAs 4 Section Attenuator

"0"

"0"

"0"

"1"

CONT

CONT

CONT

CONT

3dB GND 6dB GND GND -5V GND +5V GND 9dB GND 12dB

24 23 22 21 20 19 18 17 16 15 14 13

•

• 3dB

•

6dB

•

9dB

12dB •

•• •• •• ••

•• • • • • • • ••

1

2

3

4

5

6

7

8

9 10 11 12

RF1 GND GND GND GND GND GND GND GND GND GND RF2

GUARANTEED PERFORMANCE

Parameter

Operating Frequency

DC Current

Control Type

Min Typ

DC

0.53

0.01

TTL

Control Current

Insertion Loss

Attenuation

High

Low

LSB

Range

Accuracy

1.0

1.0

3.1

3

0

VSWR

Impedance

Switching Speed

Transition (Rise/Fall) Time

Switching (Video) Transients

Intercept Points

2nd

3rd

RF Power

Operate

No Damage

Operating Temperature

1.25/1

50

30

10

30

+68

+32

+20

-55 +25

Max

2000

30

3

±10

±10

4.0

30

1.7/1

50

+10

+17

+125

Units Conditions

MHz

mA At +5 VDC Supply

mA At -5 VDC Supply

4 Line

Logic “1” = Attenuation

µA VIH = +5.0 V

µA VIL = 0 V

dB

dB

dB 3, 6, 9, 12

dB ± (0.25 dB +3% of Atten.

Setting in dB)

OHMS

nSec

nSec

mV

dBm

dBm

dBm

dBm

°C

50% TTL to 90% / 10% RF

90% / 10% or 10% / 90% RF

Peak Value

1700 / 700 MHz

850 / 750 MHz

0.1 dB Compression @ 10 MHz

TA

DAICO Industries

Rev. N/D / Iss. 1

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