Test information, Tza3046, T est inf ormation – Philips TZA3046 User Manual
Page 11: Philips semiconductor s
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TZA3046_1
© K
oninklijk
e Philips Electronics N.V
. 2006. All r
ights reser
v
ed.
Pr
oduct data sheet
Re
v
. 01 — 19 Ma
y 2006
11 of 15
Philips Semiconductor
s
TZA3046
Fiber Channel/Gigabit Ethernet transimpedance amplifier
11.
T
est inf
ormation
Total impedance of the test circuit (Z
tot(tc)
) is calculated by the equation Z
tot(tc)
= s
21
×
(R + Z
i
)
×
2, where s
21
is the insertion loss of ports 1 and 2.
Typical values: R = 330
Ω
, Z
i
= 30
Ω
.
Fig 9.
Test circuit
001aae519
55
Ω
330
Ω
R
8.2
k
Ω
PORT2
Z
o
= 50
Ω
Z
o
= 50
Ω
Z
o
= 50
Ω
PORT1
DC-IN
DATA
CLOCK
GND
OUT
OUTQ
IPHOTO
NETWORK ANALYZER
TZA3046
V
CC
PATTERN
GENERATOR
S-PARAMETER TEST SET
22 nF
22 nF
22 nF
9, 10, 11, 12
4 or 17
8 or 14
7 or 13
2
TRIGGER
INPUT
2
1
SAMPLING OSCILLOSCOPE