3GPP Signal Analyzer for Anritsu RF and Microwave Handheld Instruments : TD‑SCDMA/HSPA+ Signal Analyzer : TD‑SCDMA/HSPA+ RF Measurements : Power versus Time
  
Power versus Time
The Power versus Time view shows the time domain view.
1. Press the Setup main menu key.
a. Press the Slot Selection submenu key. The Slot Selection list box and menu open. Use the Up/Down arrow keys or the rotary knob to highlight Auto or 0 through 6 and press the Enter key. Use the Auto submenu key for a quicker means to select that option.
b. Press the Trigger submenu key. The Trigger menu opens.
1. Press the Trigger Type submenu key to select No Trig, GPS, or Ext. The active state is underlined on the face of the virtual submenu key.
2. Press the Ext Trigger Polarity submenu key to select either Rising or Falling trigger edge.
3. Press the Back submenu key to return to the Setup menu.
c. Press the More submenu key to continue with setups under the Advanced Settings menu.
d. Press the Number of Carriers submenu key so that the desired number is underlined.
e. Press the Spreading Factor submenu key to so that the desired Spreading Factor is underlined: Auto, 16, or 1.
f. To set the Modulation Type, press the Modulation Type submenu key. The Modulation Type dialog box opens. Select the desired setting: Auto, QPSK, 8PSK, 16QAM, or 64QAM.
g. If the channel in use has a known DwPTS signal, select On. If the channel in use does not have a DwPTS signal, then select Off. If the presence of the DwPTS is unknown or you are unsure, select Auto.
h. If necessary, press the Tau Offset submenu key to specify a Tau Offset value.
i. Press the Back submenu key to return to the Setup menu.
j. Press the Uplink Switch Point submenu key. The current value on the face of the virtual submenu key turns red and is ready to be edited. Use the Up/Down arrow keys, rotary knob, or numeric keypad to set a new value and press the Enter key.
2. Press the Measurements main menu key.
3. Press the RF Measurement submenu key.
4. Press the Power vs. Time submenu key to activate this RF measurement view. Press this key again to set up the Power vs. Time measurement.
a. Press the View submenu key to toggle the measurement view to Sub‑Frame (Figure: TD‑SCDMA/HSPA+ Power vs. Time: Sub‑Frame Measurement) or Slot (Figure: TD‑SCDMA/HSPA+ Power vs. Time: Slot Measurement).
b. Press the Slot Selection submenu key. The Slot Selection list box and menu open. Use the Up/Down arrow keys or the rotary knob to highlight Auto or 0 through 6 and press Enter. Use the Auto submenu key for a quicker means to select that option.
c. Press the Back submenu key to return to the RF Measurement menu.
d. Press the Back submenu key again to return to the Measurements menu.
 
TD‑SCDMA/HSPA+ Power vs. Time: Sub‑Frame Measurement
 
TD‑SCDMA/HSPA+ Power vs. Time: Slot Measurement