S553-6500-93 データシートの表示（PDF） - Bel Fuse Inc.
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S553-6500-93 Datasheet PDF : 4 Pages
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HIGH FREQUENCY MAGNETICS
Surface Mount Wideband Signal Splitter
TM00152
APPLICATIONS NOTES
The S553-6500-93 hybrid transformer operates
with 75Ω terminations over an extremely wide
frequency spectrum (3 dB response: 20 kHz to
800 MHz).
It can also be used as a pulse transformer with
very fast pulses (typical rise time: 0.5 ns). The
transformer operates as either a signal splitter or
a signal combiner. As a signal splitter, the trans-
former provides two identical output signals
(which are in phase with each other) from a
single input. Each of the two output signals is
3 dB down from the input signal (half the power
of the input signal). There is a high degree of
separation or transhybrid loss between the two
output signals. As a signal combiner, the trans-
former provides a single output signal from two
identical input signals (which are in phase with
each other). The output signal has twice the
power of either input signal.
PIN DESCRIPTIONS AND TERMINATIONS
Pin Symbol Name and Function
1 ASIG A signal. Input for splitter configuration.
Output for combiner application.
2 COM1 Common point of transformer 1.
Must be connected externally to COM2.
3 BSIG B signal. Output for splitter configuration.
Input for combiner application.
4 CSIG C signal. Output for splitter configuration.
Input for combiner application.
5 COM2 Common point of transformer 2.
Must be connected externally to COM1.
6 GND Ground. Connect to circuit ground.
R1
162Ω external resistor.
C1
7 pF external capacitor.
PIN DIAGRAM
ASIG 1
2689J2
6 GND
COM1 2
5 COM2
BSIG 3
4 CSIG
INPUT
75
LINE
C1
SIGNAL SPLITTER
2689J2
ASIG
BSIG
COM1
COM2
GND
CSIG
OUTPUT
75
LINE
R1
OUTPUT
75
LINE
SIGNAL COMBINER
INPUT
75
LINE
R1
INPUT
75
LINE
2689J2
ASIG
BSIG
COM1
CSIG
COM2
GND
OUTPUT
75
LINE
C1
©2000 Bel Fuse Inc. Specifications subject to change without notice. 09.00
Bel Fuse Inc. 198 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
T1-123
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