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Chapter 3 New for OEM7 – Hardware
For more details about mounting OEM7 receiver cards, refer to the OEM7 Receiver Card
Mechanical Integration Application Note (D19021).
3.1.3 Weight
The OEM7 receivers are slightly heavier than the OEM6 receivers they replace.
Receiver
OEM615
OEM719
3.2 Electrical changes
3.2.1 COM Port Data Rate
The maximum data rate for COM ports has changed. On OEM6 receivers, the maximum data rate
was 921,600 bps. On OEM7 receivers, the maximum data rate is 460,800 bps.
3.2.2 Power Supply
The power consumption of OEM7 receivers is dependent on receiver configuration and feature
use. Enabling more features (up to 555 channels, interference resistance, etc) will increase the
power required.
The OEM719 power consumption is approximately 10% higher than a similarly configured
l
OEM615.
The OEM729 power consumption is approximately 10% lower than a similarly configured
l
OEM628.
A monotonic rise of the supply voltage input is required to guarantee a proper power-on reset
sequence. The maximum rise time is 100 ms.
Bulk supply bypassing (approx 10 uF) and high-frequency bypassing (0.1 uF and 220 pF) near
the supply pin is recommended for optimal performance.
On the OEM7 receiver cards, there is an approximate effective input bulk capacitance of 100 µF
at room temperature. This is made up of ceramic capacitors with a voltage rating of 6.3 VDC and
tolerance of 20%.
OEM7 receivers monitor the supply voltage. If the supply voltage falls outside of the normal
operating range, a warning or error is provided in the RXSTATUS log. See the RXSTATUS log on
page 134 for more information.
In Rush Current
The in rush current behavior of the OEM7 receivers is different than the OEM6 receivers.
OEM6
In Rush Current (Typ-
Receiver
OEM615
6.0 A for less than 60 µs
OEM6 to OEM7 Integration Guide v1
Weight
24 g
31 g
ical)
Receiver
OEM628
37 g
OEM729
48 g
OEM7
In Rush Current (Typ-
Receiver
OEM719
1.71 A for less than 1.5 ms
Weight
ical)
158
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