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Mini-Circuits

®

®

127

ISOLATION

dB

F

F

F

F

Avg. of Coupled

Outputs less 3 dB

PHASE

UNBALANCE

Degrees

f

AMPLITUDE

UNBALANCE

dB

FREQ.

RANGE

MHz

C

O

N

N

E

C

T

I

O

N

CASE

STYLE

Qty.

(10-49)

PRICE

$

Note B

Typ.

Min.

Max.

Max.

MODEL

NO.

u

u

u

u

u

features

l

low insertion loss, 0.25 dB typ. (QBA-12N)

l

high power capability (50 watts for QBA-12N)

l

high isolation, 28 dB typ. (QBA-12N)

l

ceramic body, good for heat dissipation

l

solder plated leads for excellent solderability

l

QBA-07, hermetically sealed

applications

l

cellular

l

instrumentation

l

PCN

pin connections

see case style outline drawings

PORT

lf

SUM PORT

1

PORT 1

10(0°)

PORT 2

6(-90°)

GND EXT.

2,3,4,7,8,9

50 OHM TERM.

5

NOT USED

—

DEMO BOARD

TB-115

NOTES:

u

QBA models, aqueous washable.

*

BLUE CELL™ power splitters protected by U.S. Patents 5534830 & 5640699

A.

Environmental specifications and re-flow soldering information available in

General Information Section.

B.

Units are non-hermetic unless otherwise noted. For details on case dimensions & finishes

see “Case Styles & Outline Drawings”.

C.

Prices and Specifications subject to change without notice.

1.

Absolute maximum power, voltage and current ratings:

1a. Matched power rating, as splitters

QBA-07, 21W max. (340-680 MHz) below 25°C. Derate linearly to 9W at 100°C.

27W max. (340-530 MHz) below 25°C. Derate linearly to 12W at 100°C.

QBA-12N/-12, 50W max. below 25°C. Derate linearly to 10W at 85°C.

QBA-20/-20W, 25W max. below 25°C. Derate linearly to 5W at 85°C.

QBA-24/-24W, 20W max. below 25°C. Derate linearly to 4W at 85°C.

QBA-07

340-680

22

16

0.8

0.8

0.1

7.0

2.0

SM1L

lf

004

6.95

340-530

23

18

0.5

0.5

0.1

4.0

2.0

QBA-12N*

800-900

28

20

0.25

0.30

.02

3.0

1.0

SM33

lf

004

6.95

QBA-12*

800-1200

23

14

0.25

0.44

.02

6.0

1.2

SM33

lf

004

6.95

QBA-20*

1800-2000

23

18

0.47

0.54

.02

4.0

0.7

SM33

lf

004

6.95

QBA-20W*

1500-2200

23

16

0.41

0.58

.02

5.0

1.2

SM33

lf

004

6.95

QBA-24*

1900-2400

21

17

0.54

0.71

.02

6.0

0.8

SM33

lf

004

6.95

QBA-24W*

1700-2400

21

15

0.49

0.71

.02

6.0

1.2

SM33

lf

004

6.95

F Includes test fixture losses.

σσσσσ

_

x

fL

_

x

fU

340 MHz to 2400 MHz

QBA (SM33)

Surface Mount

QBA (SM1L)

PCB

Lay-

out

PL-