DAICO DA0953 Datasheet

FEATURES

5 BIT

DC - 500 MHz

1.7 dB Insertion Loss
38 mV Transients
+18 dBm 0.1 dB Compression at 1 MHz
TTL Control
24 Pin DIP
See DAT58032 for 24 Pin Flatpack

PART IDENTIFICATION

1.27

.20

.20

1.100

.100 TYP

1

.600

.018±.002 DIA
24 PLACES

12

.77

1324

MODEL NO.

DA0953

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 DB 1 DB 2 DB 4 DB 8 DB

•• •• •• •• ••

•••••

••

+5V GND

GND GND GND -15V

N/C

1DB 2DB 4DB 8DB

"0" "0" "0" "0"

N/C = NO INTERNAL CONNECTION

16DB

"1"

RFRF

IN/OUT

121110987654321

2.0

1.8

1.6

1.4

1.2

1.0

VSWR

CONTRASTING
COLOR BEAD

TYPICAL PERFORMANCE

2.5

2.0

1.5

1.0

0.5

0

I.L. (dB)

1

4

at 25°C

40

10

FREQUENCY (MHz)

100

I. LOSS

VSWR

.xx = .02

.xxx = .010

400

1000

GUARANTEED PERFORMANCE

Parameter Min Typ Max Units Conditions

Operating Frequency DC 500 MHz
DC Current 15 30 mA At +5 VDC Supply

Control Type TTL 5 Line

Control Current

High

Low

Insertion Loss 1.2 2.0 dB DC - 100 MHz

Insertion Flatness ±0.02 ±0.2 dB 5 - 15 MHz

Attenuation

LSB

Range

Accuracy

VSWR 1.1/1 1.3/1 DC - 100 MHz

Impedance 50 OHMS
Switching Speed 100 200 nSec 50% TTL - 90% / 10% RF
Transition (Rise/Fall) Time 40 nSec 90% / 10% - 10% / 90% RF
Switching (Video) Transients 38 60 mV Peak Value
Intercept Points

RF Power

2nd

3rd

Operate

No Damage

Operating Temperature -55 +25 +125 °CTA

12 25 mA At -15 VDC Supply

Logic “0” = Thru
Logic “1” = Attenuation

0 ±40 µA VIH = +2.7 V
0 ±40 µA VIL = +0.5 V

1.7 3.0 dB 100 - 500 MHz

±0.15 ±0.5 dB 0.1 - 60 MHz

1dB

031dB1, 2, 4, 8, 16

dB ± (0.25 dB ± 2% of Atten.

Setting in dB)

1.4/1 1.6/1 100 - 500 MHz

+76 dBm 70 MHz / 50 MHz

+30 +45 dBm 35 MHz / 50 MHz

+18 +13 dBm 0.1 dB Compression

+23 dBm

DAICO I ndustries

Rev. C / Iss. 1