Shure UHF Wireless System - U2 Transmitter Input; U2 Transmitter Output

4
27 pF
20K Ω
27 pF
+5 V
AUDIO
GROUND
U1/U1H MIC JACK BOARD
2
1
4
500 Ω
500 Ω
MICROPHONE
ELEMENT
3
2
1
3
4
NOTE: LAVALIER MIC TIES PINS 3 AND 4
TOGETHER; GUITAR CABLE DOES NOT.
27 pF
499 Ω
499 Ω
3
27 pF
10K Ω
AUDIO
SHIELD
U1L (LEMO 4 PIN) MIC JACK BOARD
1
4
2
BIAS
FIGURE 1
U2 Transmitter Input
Input Configuration: Unbalanced, active
Actual Impedance: 20 kΩ
Maximum Input Level: 3 Vp–p (0.5 dBV) for 1% THD at minimum gain setting
using 1 kHz signal.
U2 Transmitter Output
Connector:
SMC
Actual Impedance:
50 Ω
Nominal Output Level:
+10 dBm
Maximum Output Level:
+11 dBm
Pin Assignments:
Shell = Ground
Center = Signal