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tinySA Spectrum Analyzer review

Tinysa 100kHz-350MHz 2.8 Inch Handheld Two Inputs Tiny Spectrum Analyzer Touch Screen Spectrum Analyzer 100 KHz-350MHz Input Frequency

Features:

  • Display resolution 320 * 240 pixels
  • 2.8 inches diagonal screen
  • 16 bits per RGB pixel
  • Resistive touch control
  • Slow switch control
  • USB serial port control
  • Optional TTL USART port on the internal PCB (SW not yet implemented)
  • Linear power supply to avoid switching noise
  • TinySA’s input/output specifications are divided into 4 modes

Specifications:

Low input mode specification:

*Input frequency response from 100kHz to 350MHz

*When the input impedance is set to 10dB or higher, it is 50 ohms.

*Optional manual and automatic input attenuation, the range is 0dB to 31dB, the step size is 1 dB

*Absolute maximum input level, no attenuation + 10dBm

*Absolute maximum power, 30dB attenuation + 20dBm in a short time

*With a third-order modulation product (IIP3) input intercept point 0dB attenuation + 15dBm

* 1dB compression point, + 2dBm attenuation 0dB

*The resolution of the power detector is 0.5dB, linearity and frequency are +/- 1dB

*The absolute power level accuracy after power level calibration is +/- 1dB

*The lowest resolvable signal with a resolution bandwidth of -102dBm and a resolution of 30kHz

*The frequency accuracy is equal to the selected resolution bandwidth

*Phase noise is -90dB/Hz at 100kHz offset and -115dB/Hz at 1MHz offset

*Use 30kHz resolution bandwidth to 70dB

*The manually selected resolution filter is 3, 10, 30, 100, 300, 600kHz. One of 57 resolution filters is automatically selected.

*The screen resolution is 145 or 290 measuring points.

*Using the maximum resolution filter, the scanning speed exceeds 1000 points per second.

*Automatically optimize the actual scan point to cover the entire scan range, regardless of the selected resolution bandwidth

*The spurious suppression option is used to determine whether certain signals are generated internally or actually exist in the input signal.
High input mode specification:*The input frequency range is 240MHz to 960MHz*If there is no input band filter to filter out strong signals outside the range of 240MHz to 960MHz, it may cause distortion. In-band signal*Absolute maximum input level, no attenuation + 10dBm*The input intercept point of the third-order modulation product (IIP3) -5dBm* 1dB compression point at -6dBm, attenuation is 0dB*The resolution of the power detector is 0.5dB, linearity and frequency +/-1dB*The absolute power level accuracy after power level calibration is +/- 1dB*The lowest visible signal with a resolution bandwidth of -115dBm 30kHz*The frequency accuracy is equal to the selected resolution bandwidth*Use 30kHz resolution bandwidth 50dB spurious-free dynamic range*Optional 3, 10, 30, 100, 300 and 600kHz* Optional 25dB to 40dB frequency-related input attenuator. The power level error of the activated attenuator is increased to +/- 15dB*The screen resolution is 145 or 290 measuring points.*Using the maximum resolution filter, the scanning speed exceeds 1000 points per second.*Automatically optimize the actual scan point to cover the entire scan range, regardless of the selected resolution bandwidth

Low output mode specification:

*Sine output, harmonics are lower than the fundamental -40dB

*The output frequency range is 100kHz to 350MHz

*The output level can be selected between -76dBm in 1dB steps and -6dBm

* Optional AM, narrow FM and wide FM modulation or sweep slowly in the selectable frequency range

High output mode specifications:

*Square wave output

*The output frequency range is 240MHz to 960MHz

*The output level can be changed from -38dBm to +13dBm

*Optional narrow FM and wide FM modulation or slow sweep in the selectable frequency range

Reference generator specifications:

*Optional square wave output, basically connected to high input/output at -25dBm

*The frequency can be set to 1MHz, 2MHz, 4MHz, 10MHz, 15MHz or 30MHz.

Battery specifications:

*The charging time is up to 1 hour under at least 500mA USB port or USB charger

* Run for at least 2 hours on a fully charged battery


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The post tinySA Spectrum Analyzer review appeared first on QRZ NOW – Ham Radio News.

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