35601 User’s Manual
Racal Instruments
Ó
2003
Overview 1-5
Specifications
Instrument specifications are listed in Appendix A. These
specifications are the performance standards or limits against
which the instrument is tested. Specifications apply only under
the following conditions:
1. Output terminated into matching impedance.
2. 30-minute minimum warm up.
3. Temperature range of 20
°
C to 30
°
C. Specifications outside
this range are degraded by 0.1% per
°
C.
Front Panel
Connectors
Model 5601 has two BNC connectors on its front panel,
designated as Input and Output.
Input
The Input connector accepts signals within the range of DC to
over 20MHz and amplifies them by a fixed gain. Input
impedance is factory configured at 50
W
or 1M
W
. 1M
W
input
impedance can be used for low frequency signals (up to
100KHz). However, higher frequencies require a 50
W
termination at the input of the amplifier to eliminate standing
waves and reflections in the input cable, which can cause
excessive ringing and aberrations at the output.
WARNING
The amplifier input cannot tolerate high
voltage if configured for 50
W
impedance.
Therefore, before connecting the cable to the
input connector, make sure your signal will
not exceed the input rating, as specified in
Appendix A.
Output
Depending on the configuration, the amplifier may generate
inverted signals. Gain is fixed at 10 (or other gain factor
specified at time of purchase). Output source impedance is
configured as 50
W
, 75
W
, or 600
W
.
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