8

LT5526

5526f

TEST CIRCUITS

140MHz

5526 F01

16

15

14

13

56

7

8

12

11

10

9

NC

NC

GND

GND

EN

EN

RF

+

RF–

LO

+

LO–

NC

17

1

2

3

4

NC

NC

IF

+

IF–

C1

TL1

TL2

T1

2

1

4

6

3

900MHz

760MHz

15

4

3

2

C4

L3

L2

C3

C2

C6

C5

C8

LT5526

RF

GND

GND

DC

ER = 4.4

0.018"

0.018"

0.062"

1900MHz INPUT MATCHING:

C1: 1.5pF

T1: LDB311G9010C-440

T2

REF DES

VALUE

SIZE

PART NUMBER

REF DES

VALUE

SIZE

PART NUMBER

C1

2.7pF

0402

AVX 04025A2R7CAT

L2, L3

150nH

1608

Toko LL1608-FSR15J

C2

0.01µF

0402

AVX 04023C103JAT

T1

1:1

1206

Murata LDB31900M05C-417

C3

1.2pF

0402

AVX 04025A1R2BAT

T2

4:1

SM-22

M/A-COM ETC4-1-2

C4, C5, C6

100pF

0402

AVX 04025A101JAT

TL1, TL2

L = 1.25mm

C8

1µF

0603

Taiyo Yuden LMK107BJ105MA

Figure 1. Test Schematic for 900MHz Application. For 1900MHz or Other Applications,

Component Values Are as Indicated in Figure 1 and in Applications Section

REF DES

VALUE

SIZE

PART NUMBER

REF DES

VALUE

SIZE

PART NUMBER

C2

0.01pF

0402

AVX 04023C103JAT

L1, L4

15nH

1005

Toko LL1005-FH15NJ

C3

3.9pF

0402

AVX 04025A3R9BAT

L2, L3

270nH

1608

Toko LL1608-FSR27J

C4, C5, C6

100pF

0402

AVX 04025A101JAT

L5

100nH

1005

Toko LL1005-FHR10J

C8

1µF

0603

Taiyo Yuden LMK107BJ105MA

T2

4:1

SM-22

M/A-COM ETC4-1-2

C7, C9

10pF

0402

AVX 04025A100JAT

Figure 2. Test Schematic for 350MHz Applications

70MHz

5526 F02

16

15

14

13

56

7

8

12

11

10

9

NC

NC

GND

GND

EN

EN

RF

+

RF–

LO

+

LO–

NC

17

1

2

3

4

NC

NC

IF

+

IF–

C9

C7

L4

L1

L5

350MHz

420MHz

15

4

3

2

C4

L3

L2

C3

C2

C6

C5

C8

LT5526

RF

GND

GND

DC

ER = 4.4

0.018"

0.018"

0.062"

T2