TIMTER™ Multi
-mode Dual
Telemetry Transmitter
29
Quasonix, Inc.
3.2 Thermal
It is important that the bottom surface (on the face opposite the product label) be securely attached to a baseplate
capable of dissipating the power produced by the transmitter model in use. This mounting baseplate must be flat,
smooth, and clean. Contact Quasonix for the heat sink power dissipation required for your transmitter model.
ATTENTION: Do not operate the transmitter without a proper heat sink.
Failure to do so may lead to permanent damage to the unit and will void the
warranty.
Overheating can occur in a matter of seconds when a transmitter is
not properly heat-sinked. In absolutely no case should any type of stickers or
labels be applied to the bottom surface of the transmitter.
The heat sink required for a particular transmitter depends heavily on the installation. Factors such as altitude, air
temperature, air flow, and mass of the mounting surface all have a substantial impact on the flow of heat away from
the transmitter. Quasonix offers several types of integrated and add-on heat sinks (refer to Section 2). Please contact
Quasonix for heat sink recommendations for your particular TIMTE
R™ transmitter.
Regardless of the heat sink, Quasonix strongly suggests using a thermal pad, such as Q-Pad
®
II from Bergquist.
3.3 Electrical
The Dual TIMTER™ has three external connectors, an MDM
-15 type connector known as the primary, and two
SMA female connectors for the RF output connections.
The pin numbering and wiring for the MDM-
15 female connector used on the Dual TIMTER™ (RS
-422 interface)
are shown in Figure 11. To illustrate the difference in the TTL interface, the pin numbering and wiring for the
MDM-15 male connector on the 07AM package are shown in Figure 28.