This page features the DA400-A-01 model from our DA400 series of distribution amplifiers, equipped with BNC connectors on both front and back. This model is AC coupled. For alternative configurations within this series, please refer to the data sheet provided below. Data Sheet: DA400 Series Specification Sheet Mounting Fixture includes: 1x MHMF101 mounting bracket 4 x 4-40 F-F 3/16" hex spacers of length specified in drop-down box above 8 x 1/4" 4-40 black Oxide Phillips-head pan screws 4 x M3 x 12 pan head screws 4 x #8 1-1/2" long brass wood screws Functional Description: The primary function of our DA400 distribution amplifier is to distribute an existing signal to multiple points while preserving its integrity. The DA400 is ideal for situations requiring a low noise RF signal to be supplied to multiple usage points. The DA400 has one input channel and five output channels. It may be configured with either SMA or BNC connectors (details provided in the connector table on page 4). The input is AC-coupled and has a 50 Ω source impedance. This design provides a 3.3V CMOS output across a wide range of input power levels. The single input is buffered and then fanned out to five output stages with Schmitt Trigger drivers. This configuration ensures high channel-to-channel isolation with fast transition times and low overshoot. This configuration achieves channel to channel phase offset of under 10 ns; the phase offset from the input to any output is less than 20 ns at 10 MHz. For larger systems requiring more outputs, multiple amplifiers may be daisy-chained together by connecting the output of channel five to the input of another distribution amplifier. However, this configuration increases phase offset between amplifiers. If channel-to-channel phase offset is a concern, the recommended configuration would be to use a single amplifier to drive up to five additional amplifiers. This will provide up to 25 outputs with minimal channel-to-channel phase offset. Standard Specifications: NOTES: Input signal waveform can be any type with a 50% duty cycle.2. Amplifiers are purchased at a fixed frequency. Can accommodate any frequency between 1-100 MHz, with a minimum bandwidth of ± 5%. Min and max output characteristics specified is using a 10 MHz input. The device may be powered with a user-supplied voltage via the screw terminal connections or a 2.1 mm plug on a 6 V, 500 mA power module (a suitable module can be supplied upon request). When the power module is utilized, the module voltage is made available on the screw terminals, allowing the user to access 6 V, 250 mA to power external circuitry. Max current specified is using a 10 MHz input. Values shown are nominal logic level low and high voltage levels. Caution: Do not connect an external supply voltage to the screw terminals when using the power module.
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