LT5503EFE-TRPBF データシートの表示（PDF） - Linear Technology

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LT5503EFE-TRPBF

1.2GHz to 2.7GHz Direct IQ Modulator and Mixer

Linear Technology 

LT5503

TEST CIRCUIT

C17

21 (BACKSIDE)

1μF

LTG5N5D03

QB

1 BQ–

BI– 20

C18

1μF

IB

Q

C3

MODRFIN

VCC1

C4

LO1IN

C43

8.2pF

C12

1000pF

2 BQ+

C15

1μF

GC1

3

GC1

BI+ 19

GC2 18 GC2

L3

C10

4

17

MODIN MODOUT

5 VCCMOD VCCVGA 16

C20

1000pF

6 VCCRF

15

VCCLO2

C16

1μF

R2

L1

47Ω

C1

2.2pF

L2

R1

C7

L4

C11

7 LO1

14

LO2

8 VCCLO1

13

MODEN MODEN

9

12

DMODE DMODE MIXEN MIXEN

C22

1000pF

C14

100pF

I

C2

MODRFOUT

C23

VCC1

C19

0.01μF

LO2IN

10 MX+

MX– 11

L5

L6

C13

8.2pF

VCC2

C21

0.01μF

C5

4

2

3

C6

1

5

C9

T1

MIXRFOUT

NOTE: VCC1 AND VCC2 POWER THE

MODULATOR AND UPMIXER

SECTIONS RESPECTIVELY.

5503 F01

Application Dependent Component Values

1.2GHz Matching

(Modulator Only) 1.9GHz Matching

2.4GHz Matching

L1

33nH

22nH

18nH

L2

12nH

5.6nH

2.7nH

L3

12nH

4.7nH

2.7nH

C2, C3, C7

39pF

15pF

8.2pF

C10

2.7pF

1.8pF

1.2pF

C23

n/a

1.5pF

1.5pF

R1

240Ω

390Ω

390Ω

C4

n/a

15pF

8.2pF

C5, C6

n/a

1.8pF

2.2pF

C9

n/a

15pF

2.7pF

C11

n/a

2.2pF

1.2pF

L4

n/a

6.8nH

4.7nH

L5,L6

n/a

5.6nH

2.2nH

T1

n/a

LDB211G9010C-001 LDB212G4005C-001

Figure 1. Test Schematic for 1.2GHz, 1.9GHz and 2.4GHz Applications

5503f

12

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