Power Output Measurement - Shure U1 Service Manual

Power Output Measurement

SPECTRUM ANALYZER
25C1021 (BG)
Shure U1/U1L Body-Pack UHF Transmitter
The output power measurement ensures that the output signal is
strong enough for sufficient range when the system is in use. The output
power measurement also verifies that the output power is not above the
specified maximum level, to ensure compliance with regulatory agencies'
standards.
U1 Transmitter
Power: ON
Figure 6. U1 Power Output Measurement Test Set-Up
1. Rf output power is not adjustable. Use RG58 or any other low
loss 50 Ω cables for all rf connections.
2. Include the insertion loss of the cables and connectors in
rf conductive power measurements.
3. Using the spectrum analyzer, verify output power is at least
+8 dBm. JB models must be at least +8 dBm and cannot exceed
+10 dBm.
15
Spectrum Analyzer
Peak search: ON
Signal track: ON
Marker: ON
Service Procedures