TAPR is pleased to announce the immediate availability of the TADD-1 RF
Distribution Amplifier kit.
The TADD-1 is a six channel RF distribution amplifier. Its primary use
is to allow a single frequency source (e.g., a GPS disciplined
oscillator) to drive the "external reference" input of several test
instruments. The usable frequency range is 200kHz to 30MHz, and the
maximum signal output level into 50 ohms is 2.75 volts peak-to-peak, or
about +12dBm. The maximum high-impedance output is 5 volts peak-to-peak.
To minimize ground loops in sensitive test applications, the input and
each of the six outputs is transformer coupled and DC blocked. RF
connectors are ground-isolated BNC. A jumper allows the input to be
terminated in 50 ohms, or to present a high impedance. An optional
bandpass filter can be installed to reduce spurious responses.
The 12 volt power input is fused and protected against reverse polarity.
Current drain depends on the number of loads and ranges from 50 to 150ma.
The RF and DC inputs are arranged so that two (or more) TADD-1 boards
can be stacked, sharing common RF and DC inputs.
The TADD-1 kit is priced at $99 for TAPR members ($109 for non-members)
and is shipping now. Assembled and tested versions may be available at
a later date; contact the TAPR office for details.
For more information about the TADD-1, or to place an order, go to
http://www.tapr.org/kits_tadd-1.html or send email to [EMAIL PROTECTED]
(Note: the order page is currently being updated; if it still says
"Price TBD", please try again later.)
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