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Creating a Test Plan - FCC Booster ​

The FCC Booster option is used for FCC / IC (ISED) certification testing of signal boosters (FCC Part 20). The test path involves a signal generator (VSG), the EUT and a spectrum analyzer (SA): the VSG feeds the signal and the output through the booster is measured.

CMRS ​

FCC_Booster_CMRS_overview

  • Title: Test plan name, entered by the user.

  • Type: Booster category:

    • CMRS: Commercial Mobile Radio Service (cellular band) booster.

    • PLMRS: Private Land Mobile Radio Service booster.

  • IC: Whether to test according to Canadian IC (ISED) requirements as well, default No.

  • Num of Chains: Number of transmit chains.

  • Band Info: Operating bands supported by the product, one band per row:

    • Band: Band number, e.g., Band 2 / 5. Frequencies are filled in automatically after selection.

    • Link Type: Link direction, multi-select UL / DL.

    • UL Frequency / DL Frequency: Uplink / downlink frequency ranges (MHz), auto-filled and editable.

    • Signal Type(MHz): Test signal types, multi-select: 0.2 (GMSK 0.2 MHz, narrowband) / 5 (AWGN 5 MHz, broadband) / 100 (AWGN 100 MHz, broadband).

    • TX Type: Transmission type SISO.

    • Action: Delete a band row; add a new row via the bottom Select drop-down.

  • EUT Type: Type of the equipment under test:

    • EUD: End User Device.

    • Class A CBSD / Class B CBSD: Class A / B Citizens Broadband Radio Service Device.

    • Non-AAS: Non-AAS fixed station and base station.

    • AAS: AAS fixed station and base station.

    • Subscriber: Subscriber equipment.

    • Indoor Base Station: Indoor base station.

  • Antenna Gain: Antenna gain and cable loss configuration:

    • Title / Gain: Antenna number and gain (dBi).

    • Cable Loss - VSG to EUT: Cable loss from the signal generator to the EUT.

    • Cable Loss - EUT to SA: Cable loss from the EUT to the spectrum analyzer.

    • Cable Loss - VSG to SA: Cable loss of the direct VSG-to-SA path (for calibration). How to Create Common Cable Loss.

    • Switch Box Port: Port number of the switch connected to the antenna.

    • Item: Test items per antenna; the numbers correspond to:

      • (F2001) Out of band rejection

      • (F2002) AGC threshold

      • (F2003) Input-versus-output signal comparison

      • (F2004) Input/output power and amplifier/booster gain

      • (F2005) Out-of-band/out-of-block (including intermodulation) emissions

      • (F2006) Spurious emissions

      • (F2007) Frequency stability measurements

      • (F2008) Adjacent Channel Leakage Power

  • Population Density: Population density of the usage area: <=100 / mil² / >100 / mil². Affects the applicable limits.

  • SG Level: Signal generator level (dBm), default -10. For the out of band rejection test: a sufficient level to affirm that the out-of-band rejection is > 20 dB above the noise floor and will not engage the AGC during the entire sweep.

  • Max Input Level: Maximum input level (dBm).

  • Declared Gain: Gain declared by the manufacturer (dB).

  • Output Variation: Output variation (dB), default 1. For the AGC test: increase the input level until a 1 dB increase in the input signal power no longer causes a 1 dB increase in the output signal power.

PLMRS ​

FCC_Booster_PLMRS_overview

The PLMRS form has the same structure as CMRS; fill in the bands according to the private land mobile radio bands actually supported by the product.

Advanced Setting ​

FCC_Booster_advanced

All settings in Advanced Setting can generally be kept at their default values. Adjust them only when the test results are abnormal or there are special test requirements.

  • Work Temp: Normal operating temperature range (°C). Affects the frequency stability test.

  • Rated Voltage: Rated operating voltage (VAC / VDC). Affects the frequency stability test.

  • Two Sim: Whether to accommodate two simultaneous signals within the passband, default Yes.

  • Switch Box: Whether to use a Switch Box (RF switch).

  • Hide Image Elements: Elements to hide in report images (e.g., the Ant marker).

  • Special Setting: Special settings. Options prefixed with [D] are debug options:

    • [D] Virtual Data / [D] Random Data / [D] Ignore Eut Confirm / [D] Random Status: Debug options.

    • Single Sweep (CSE): CSE uses single sweep. Requires a retest to take effect (ReTest).

    • Remove Raw Trace: Remove the raw trace and hide RBW/VBW in the report.

    • Test L/M/H: Test BW and power on LCH / MCH / HCH (for F2003 / F2004).

Corresponding software option: FCC 20 (FCC Part 20)