Philips Semiconductors

Product specification

SA5223

Wide dynamic range AGC transimpedance amplifier(150MHz)

1995 Oct 24

4

TEST CIRCUITS

Test Circuit 1: Bandwidth

NETWORK ANALYZER

S-PARAMETER TEST SET

PORT1

PORT2

VCC

.1uF

.1uF

50

ZO = 50Ω

OUT

OUT

IN DUT

0.1uF

R=1k

50

SINGLE-ENDED

R

TSE +

12.4

@ S

21 @

R

IN

,R

IN +

1k

) R

INSS [

1250

W

ZO = 50Ω

SD00370

500

500

Test Circuit 2: Noise

SPECTRUM ANALYZER

VCC

OUT

OUT

IN DUT

NE5209

50

Ω

.1

µF

.1

µF

1.0

µF

1.0

µF

CS

50

Ω

SD00371

NETWORK ANALYZER

S-PARAMETER TEST SET

PORT1

PORT2

VCC

.1uF

.1uF

OUT

OUT

IN DUT

50

Ω

CAL

UNBAL.

0.1uF

NC

50

Ω

BIAS TEE

5V

NHO300HB

TRANSFORMER

CONVERSION

LOSS = 9dB

100

Ω

BAL.

SD00372

Test Circuit 3: PSRR

Test Circuit 4: Duty Cycle Distortion

PULSE GEN

OUT

OUT

DUT

OSCILLOSCOPE

A

B

Meaurement done using

differential wave forms

5V

0.1uF

.1

µF

.1

µF

GND1

GND2

ZO = 50Ω

ZO = 50Ω

IN

500

Ω

500

Ω

1k

Ω

50

Ω

OFFSET

SD00373

50% DUTY CYCLE