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TZA3046_1 © Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Product data sheet Rev. 01 — 19 May 2006 11 of 15
Philips Semiconductors
TZA3046
Fiber Channel/Gigabit Ethernet transimpedance amplifier
11. Test information
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
=30Ω.
Fig 9. Test circuit
001aae519
55 Ω
330 Ω
R
8.2
kΩ
PORT2
Z
o
= 50 ΩZ
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
21
SAMPLING OSCILLOSCOPE