DAICO CAT76235 Datasheet

FEATURES

7 BIT

.10

1.300

1.00
.03

±

.106 DIA THRU

4 PLACES

.34

VSWR

I.L. (dB)

2.0

10

1.8

8

1.6

6

4

1.4

2

1.2

0

1.0

5 - 1200 MHz

0.5 dB LSB, 63.5 dB Range
Binary Attenuation Range
Phase Matched Vs. Attenuation
60 nSec Switching Speed
TTL Control
Excellent VSWR

.10

.25

J1

.06

TYPICAL PERFORMANCE

1

4710

1.550

-15V

16dB

8dB

4dB

2dB

1dB

0.5dB

GND

.25

11 EQ. SP.
AT .100 CTR
(1.100)

32dB

1.75±.03

at 25°C

40

FREQUENCY (MHz)

GND

GND

J2

+5V

I. LOSS

VSWR

100

PAR T
IDENTIFICATION

1.50±.03

.15±.05

.025 DIA
12 PLACES

CONNECTOR
SMA FEMALE
2 PLACES

.20

.xx = .02

.xxx = .010

400

1000 3000

MODEL NO.

CAT76235

Attenuator 7 Section

16dB 8dB 4dB 2dB 1dB 0.5dB 32dB

J1

RF

IN/OUT

GND

-15V

Parameter Min Typ Max Units Conditions

Operating Frequency 5 1200 MHz
DC Current 15 30 mA At +5 VDC Supply

Control Type TTL 7 Lines

Control Current

Insertion Loss 7.1 9.0 dB
Attenuation

Attenuation Vs. Phase ±5 DEG DC - 500 MHz

VSWR 1.2/1 1.35/1
Impedance 50 OHMS
Switching Speed 60 100 nSec 50% TTL to 90% / 10% RF
Transition (Rise/Fall) Time 20 nSec 90% / 10% or 10% / 90% RF
Switching (Video) Transients 100 mV Peak Value
Intercept Points

RF Power

Operating Temperature -55 +25 +85 °CTA

16dB GND GND +5V

8dB

4dB

2dB

1dB

0.5dB

"1"

"1"

"1"

"1"

"1" "1"

32dB

"0"

GUARANTEED PERFORMANCE

20 35 mA At -15 VDC Supply

Logic “0” = Thru

High

Low

LSB

Range

Accuracy

2nd

3rd

Operate

No Damage

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

0.5 dB

0 63.75 dB 0.5, 1, 2, 4, 8, 16, 32

±8 DEG 500 - 1000 MHz

+63 dBm 70 MHz / 50 MHz
+43 dBm 35 MHz / 50 MHz

+8 +3 dBm 0.1 dB Compression < 50 MHz

+17 +13 dBm 0.1 dB Compression > 50 MHz

+24 dBm

Logic “1” = Attenuation

dB ± (0.25 dB +2% of Atten.

Setting in dB)

J2
RF

IN/OUT

DAICO I ndustries

Rev. - / Iss. 1