Tektronix TPA-N-PRE External Pre-Amplifier

Name: Tektronix TPA-N-PRE External Pre-Amplifier
Brand: Tektronix
SKU: TektronixTPA-N-PRE
Price: 3990.00 USD
Availability: InStock

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External Preamp., TPA Connector, SMA input

9 kHz - 6 GHz frequency range
12 dB gain (nominal)
10 dB DANL improvement

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Tektronix TPA-N-PRE External Pre-Amplifier

9 kHz - 6 GHz frequency range
12 dB gain (nominal)
10 dB DANL improvement

The TPA-N-PRE Pre-Amplifier accessory for the MDO4000 and MDO3000 Series Mixed Domain Oscilloscopes provides 12 dB nominal gain, further lowering the already low noise floor in the MDO4000 and MDO3000 Series. This allows you to pull very small signals out of the noise in low-amplitude signal applications. For example, in the following screenshot we are measuring a noise floor of -114 dBm (-154 dBm/Hz) without the TPA-NPRE preamplifier. It appears that there is only noise present.

Model: TPA-N-PRE Specifications
Characteristic	Description
Frequency range	Preamp: 9 kHz to 6 GHz MDO4XX4-6 with preamp: 50 kHz to 6 GHz MDO4XX4-3 with preamp: 50 kHz to 3 GHz
Preamp gain	Amplifying state: 12 dB (nominal) Bypass state: -1.5 dB (nominal)
Displayed average noise level (DANL) with the preamp attached to the MDO RF input	With the preamp mode set to "Auto" and the reference level set to -40 dBm: MDO4XXX-6: 50 kHz to 5 MHz: < -140 dBm/Hz (-144 dBm/Hz typical) 5 MHz to 3 GHz: < -158 dBm/Hz (-162 dBm/Hz typical) 3 GHz to 6 GHz: < -150 dBm/Hz (-153 dBm/Hz typical) MDO4XX4-3: 50 kHz to 5 MHz: < -140 dBm/Hz (-144 dBm/Hz typical) 5 MHz to 3 GHz: < -158 dBm/Hz (-162 dBm/Hz typical)
Level measurement uncertainty	This specification is for the MDO RF channel with a preamp attached, input levels of -2 dBm to -62 dBm, RBW set to "Auto", and applies to both amplifying and bypass states. < ±1.5 dB (< ±1 dB typical), 20 °C to 30 °C temperature range. ≤ 2 dBm(max), over full operating range.
Maximum operating input level with preamp attached to the MDO RF input	Average continuous power: +30 dBm (1 W) DC maximum before damage: ±20 V DC Maximum power before damage (CW): +30 dBm (1 W) Maximum power before damage (pulse): +45 dBm (32 W) (<10 μs pulse width, <1% duty cycle, and reference level of ≥ +10 dBm)
Reference level range with preamp attached to MDO RF input	Amplifying state: -30 dBm to DANL Bypass state: +30 dBm to DANL
Connector type	SMA - female (outside threads)
Environmental
Characteristic	Description
Temperature
Operating	0 °C to +50 °C
Nonoperating	-20 °C to +60 °C
Humidity
Operating	High: 40 °C to 50 °C (104 °F to 122 °F), 10% to 60% RH Low: 0 °C to 40 °C (32 °F to 104 °F) 10% to 90%RH
Nonoperating	High: 40 °C to 60 °C (104 °F to 122 °F), 10% to 60%RH Low: 0 °C to 40 °C (32 °F to 104 °F) 5% to 90% RH
Altitude
Operating	Up to 3,000 meters
Nonoperating	Up to 12,000 meters