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Summary of Contents for Triad RF Systems BDA Series
- Page 1 Amplifier / BDA Troubleshooting Manual Document Number: TTM-71718 Version Date 6/26/18 Triad RF Systems, Inc. www.triadrf.com...
- Page 2 Notice Triad RF Systems reserves the right to make changes to its products or discontinue any of its products or offerings without notice. Triad warrants the performance of its products to the specifications applicable at the time of sale in accordance with Triad’s standard warranty.
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Page 3: Table Of Contents
3.1.1 RF Connections ..................7 3.1.2 DC / Control Connections ..............8 3.1.3 Radio Power Level Causing Amplifier Saturation ......... 8 3.2 Data Transfer Rate Lower Than Desired ............9 3.2.1 EVM level / Modulation ................. 9 Triad RF Systems, Inc. Page ii... -
Page 4: Overview
Notes that accompany the warning symbol denote instructions and guidelines that must be followed. Failure to follow these guidelines may result in damage to the amplifier that is not covered by Triad’s product warranty. Triad RF Systems, Inc. Page 1... -
Page 5: Dc Power Issues
Applying a voltage to an output pin, or applying an incorrect voltage to an input pin may result in damage to the amplifier. Triad RF Systems, Inc. Page 2... -
Page 6: Power Supply Voltage Rating
Note: Most units’ operating current draw increases with an increase in drive power (and corresponding RF output power). Newer specification sheets contain a plot of current Triad RF Systems, Inc. Page 3... -
Page 7: Enable" Or "Tx/Rx" Ttl Control Line
CBLXX where XX is a 2 digit number – the appropriate cable P/N is listed on the product spec sheet. Cable harnesses can be purchased from Triad, or a drawing of the harness can be emailed upon request if self-assembly of the harness is preferred. Contact support@triadrf.com for a drawing set. Triad RF Systems, Inc. Page 4... -
Page 8: Unit Powers Down After Some Time Of Use
Some of these screw holes have been specifically located near heat generating parts and are critical for correct heat transfer. A thermal interface material (TIM) must be used between the amplifier baseplate and the heatsink surface. Examples of appropriate materials include Laird T- Triad RF Systems, Inc. Page 5... - Page 9 Some products do not feature over-temperature protection – consult the spec sheet carefully to verify. Failure to keep the PA within its safe baseplate operating temperature range may cause damage not covered by the warranty. Triad RF Systems, Inc. Page 6...
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Page 10: Rf/Data Issues
ANTENNA port and the radio / RF stimulus to the RADIO port. Before turning on the SSPA / BDA, ensure that the RF input power to the amplifier is set appropriately. This will avoid amplifier damage, or damage to system components downstream from the amplifier. Triad RF Systems, Inc. Page 7... -
Page 11: Dc / Control Connections
Each time the power is decreased, take note of the data link and check the Signal to Noise Ratio (SNR) on each radio. Some radios will have trouble maintaining a data connection at SNR levels lower than 15. Triad RF Systems, Inc. Page 8... -
Page 12: Data Transfer Rate Lower Than Desired
For continuing issues, or to request any clarifications or additions to this document, please contact support@triadrf.com Triad RF Systems, Inc. Page 9...
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