Specification Sheet
UC WIRELESS SYSTEM
2
Audio Polarity
Positive pressure on microphone diaphragm (or positive volt-
age applied to tip of WA302 phone plug) produces positive
voltage on pin 2 with respect to pin 3 of low impedance output
and the tip of the high impedance
1
/
4
-inch output
System Distortion
(ref. ±40 kHz deviation, 1 kHz modulation)
0.4% Total Harmonic Distortion typical
Power Requirements
UC1, UC2: 9V alkaline battery (Duracell MN1604 recom-
mended); Nicad optional
UC4: 15 Vdc , 600 mA 50/60 Hz
Power Consumption: 600 mA x 15 V, maximum
Transmitter Battery Life (Typical)
8 hours (with Duracell MN1604 9V alkaline battery)
Operating Temperature Range
-7° to 49° C (20° to 120° F) NOTE: Battery characteristics
may limit this range.
Overall Dimensions
UC1: 99.06 mm L x 63.50 mm W x 22.86 mm D (3–29/32 L x
2–1/2 W x 29/32 in. D)
UC2/58:241.30 mm L x 50.8 mm Dia. (9–1/2 L x 2 in. Dia.)
UC2/BETA 58: 241.30 mm L x 50.80 mm Dia. (9–1/2 L x 2 in.
Dia.)
UC2/87:215.90 mm x 50.80 mm Dia. (8–1/2 L x 2 in. Dia.)
UC2/BETA 87: 215.90 mm L x 50.8 mm Dia. (8–1/2 L x 2 in.
Dia.)
UC4: 44.50 mm H x 197.40 mm W x 214.30 mm D (1–3/4 L x
7.77 W x 8.44 in. D)
Net Weight
UC1: 73.50 g (2.59 oz.) without battery
UC2/58, U2/BETA 58: 311.9 g (11 oz.) without battery
UC2/87, U2/BETA 87: 198.5 g (7 oz.) without battery
UC4: 1.22 kg (2 lbs, 11 oz.)
Certification
UC1, UC2: RA Type Approved to ETS 300 445; meets re-
quirements of MPT 1350.
UC4: RA Type Approved to ETS 300 445; meets require-
ments of MPT 1350. Approved to ETS 300 445. Meets Low
Voltage Directive.
UC Type Approved and EMC Approved systems are eligible
to carry the CE marking.
UC1 Transmitter Input (Figure 1)
Connector:
4-Pin female miniature connector (TA4F)
or LEMO connector (optional)
Input Configuration: Unbalanced, active
Actual Impedance:
18 kΩ with lavalier microphone
1 MΩ with instrument cable
Maximum Input Lev-
el:
9 Vp–p (10 dBV) for 1% THD at minimum
gain setting using 1 kHz signal.
Miniature connector
(TA4F) Pin Assign-
ments:
Pin 1: Tied to Ground
Pin 2: Tied to +5 V
Pin 3: Tied to Audio
Pin 4: Tied thru 20kΩ Resistor to Ground.
(On instrument adapter cable, Pin 4 floats)
LEMO Connector
Pin Assignments:
Pin 1: Tied to Pin 3 and 10 kW to Ground
Pin 2: +5V
Pin 3: Tied to Pin 1
Pin 4: Tied to Shield (Ground for Positive
Bias)
Voltage for Remote
Power:
+5 V supplied to microphone cartridge
UC1 Transmitter Output
Antenna:
Flexible 1/4 wave wire
Actual Impedance:
50 Ω
Nominal Output Level:
+10 dBm
Maximum Output Level:
+10 dBm
UC2 Transmitter Input
Input Configuration: Unbalanced, active
Actual Impedance: 25 kΩ
Maximum Input Level: 9 Vp–p (10 dBV) for 1% THD at
minimum gain setting using 1
kHz signal.
UC2 Transmitter Output
Antenna:
Internal dipole
Actual Impedance:
50 Ω
Nominal Output Level:
+10 dBm
Maximum Output Level:
+10 dBm
UC4 Receiver Input
Connector: Antenna Power Input
Connector
Type:
BNC dc style
Actual
Impedance:
50 Ω ––
Nominal Input
Level:
–95 to –30 dBm 15 Vdc
Maximum Input
Level:
+6 dBm
(–20 dBm
recommended)
17 Vdc
Pin
Assignments:
Shell = Ground
Center = Signal
Center pin positive
UC4 Receiver Output
Connector: High Z Audio Low Z Audio
Output
Configuration:
Unbalanced Balanced
Actual Impedance: 1 kΩ 44Ω
Nominal Input Level: –– ––
Output Level: 5 dBu maximum 14 dBu maximum
Pin Assignments: Tip = Hot
Ring/ Sleeve = Gnd
1 = Ground
2 = Hot
3 = Hot
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