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1. GENERAL DESCRIPTION
1. GENERAL DESCRIPTION
1. GENERAL DESCRIPTION
1. GENERAL DESCRIPTION
The TOA wireless microphone WM-3310 is of lavalier type and is designed to conform with the regulations.
The TOA wireless microphone WM-3310 is of lavalier type and is designed to conform with the regulations.
The TOA wireless microphone WM-3310 is of lavalier type and is designed to conform with the regulations.
The TOA wireless microphone WM-3310 is of lavalier type and is designed to conform with the regulations.
It employs an optimized PLL-synthesizer and a compander noise reduction circuit to minimize the influence of
It employs an optimized PLL-synthesizer and a compander noise reduction circuit to minimize the influence of
It employs an optimized PLL-synthesizer and a compander noise reduction circuit to minimize the influence of
It employs an optimized PLL-synthesizer and a compander noise reduction circuit to minimize the influence of
ambient RF noise.
ambient RF noise.
ambient RF noise.
ambient RF noise.
2. FEATURES
2. FEATURES
2. FEATURES
2. FEATURES
(1) Up to 6 operating frequencies are made available for selection.
(1) Up to 6 operating frequencies are made available for selection.
(1) Up to 6 operating frequencies are made available for selection.
(1) Up to 6 operating frequencies are made available for selection.
(2) An optimized PLL-synthesizer minimizes the oscillation frequency drift resulting from the ambient
(2) An optimized PLL-synthesizer minimizes the oscillation frequency drift resulting from the ambient
(2) An optimized PLL-synthesizer minimizes the oscillation frequency drift resulting from the ambient
(2) An optimized PLL-synthesizer minimizes the oscillation frequency drift resulting from the ambient
temperature or voltage fluctuation.
temperature or voltage fluctuation.
temperature or voltage fluctuation.
temperature or voltage fluctuation.
(3) The sensitivity trim pot control optimizes the system in any locations.
(3) The sensitivity trim pot control optimizes the system in any locations.
(3) The sensitivity trim pot control optimizes the system in any locations.
(3) The sensitivity trim pot control optimizes the system in any locations.
(4) Battery lamp indicates battery consumption to prevent the unit from malfunctioning when the battery level
(4) Battery lamp indicates battery consumption to prevent the unit from malfunctioning when the battery level
(4) Battery lamp indicates battery consumption to prevent the unit from malfunctioning when the battery level
(4) Battery lamp indicates battery consumption to prevent the unit from malfunctioning when the battery level
remarkably decreases.
remarkably decreases.
remarkably decreases.
remarkably decreases.
(5) The compressor and low-pass filter on the audio circuit protect the unit against out-of-band energy
(5) The compressor and low-pass filter on the audio circuit protect the unit against out-of-band energy
(5) The compressor and low-pass filter on the audio circuit protect the unit against out-of-band energy
(5) The compressor and low-pass filter on the audio circuit protect the unit against out-of-band energy
produced by overload.
produced by overload.
produced by overload.
produced by overload.
(6) Chip components make the unit smaller in size yet more reliable.
(6) Chip components make the unit smaller in size yet more reliable.
(6) Chip components make the unit smaller in size yet more reliable.
(6) Chip components make the unit smaller in size yet more reliable.
(7) 6 frequencies of 169 - 216 MHz
(7) 6 frequencies of 169 - 216 MHz
(7) 6 frequencies of 169 - 216 MHz
(7) 6 frequencies of 169 - 216 MHz
3. SPECIFICATIONS
3. SPECIFICATIONS
3. SPECIFICATIONS
3. SPECIFICATIONS
Model No.
Model No.
Model No.
Model No.
Oscillator
Oscillator
Oscillator
Oscillator
Nominal Frequency
Nominal Frequency
Nominal Frequency
Nominal Frequency
RF Power Output
RF Power Output
RF Power Output
RF Power Output
Modulation
Modulation
Modulation
Modulation
Nominal Supply Voltage
Nominal Supply Voltage
Nominal Supply Voltage
Nominal Supply Voltage
Usable Battery
Usable Battery
Usable Battery
Usable Battery
Marginal Battery Voltage Level
Marginal Battery Voltage Level
Marginal Battery Voltage Level
Marginal Battery Voltage Level
Antenna
Antenna
Antenna
Antenna
4. TEST CONDITIONS
4. TEST CONDITIONS
4. TEST CONDITIONS
4. TEST CONDITIONS
(1) Modulation and Non-modulation
(1) Modulation and Non-modulation
(1) Modulation and Non-modulation
(1) Modulation and Non-modulation
[Modulation]
[Modulation]
[Modulation]
[Modulation]
To perform continuous modulation, connect the plug of the jig supplied with the microphone sample to CN1
To perform continuous modulation, connect the plug of the jig supplied with the microphone sample to CN1
To perform continuous modulation, connect the plug of the jig supplied with the microphone sample to CN1
To perform continuous modulation, connect the plug of the jig supplied with the microphone sample to CN1
and the jig output to an AF signal generator. Then, connect the jig output to an AF oscillator using the shielded
and the jig output to an AF signal generator. Then, connect the jig output to an AF oscillator using the shielded
and the jig output to an AF signal generator. Then, connect the jig output to an AF oscillator using the shielded
and the jig output to an AF signal generator. Then, connect the jig output to an AF oscillator using the shielded
or coaxial cable. For connection, refer to the figure below.(Since the phantom power is present at the HOT
or coaxial cable. For connection, refer to the figure below.(Since the phantom power is present at the HOT
or coaxial cable. For connection, refer to the figure below.(Since the phantom power is present at the HOT
or coaxial cable. For connection, refer to the figure below.(Since the phantom power is present at the HOT
side of the plug, a capacitor to block a DC current is connected to the HOT side.)
side of the plug, a capacitor to block a DC current is connected to the HOT side.)
side of the plug, a capacitor to block a DC current is connected to the HOT side.)
side of the plug, a capacitor to block a DC current is connected to the HOT side.)
25 V 33MF capascitor to block
25 V 33MF capascitor to block
25 V 33MF capascitor to block
25 V 33MF capascitor to block
25 V 33MF capascitor to block
25 V 33MF capascitor to block
25 V 33MF capascitor to block
25 V 33MF capascitor to block
DC supply
DC supply
DC supply
DC supply
DC supply
DC supply
DC supply
DC supply
To CN1
To CN1
To CN1
To CN1
To CN1
To CN1
To CN1
To CN1
After connection completion, feed an audio frequency signal continuously through both the HOT and
grounding terminals. This permits modulation to be performed.
2
2
2
2
WM-3310
WM-3310
WM-3310
WM-3310
Crystal-controlled PLL-synthesizer
Crystal-controlled PLL-synthesizer
Crystal-controlled PLL-synthesizer
Crystal-controlled PLL-synthesizer
6 frequencies of 169- 216 MHz
6 frequencies of 169- 216 MHz
6 frequencies of 169- 216 MHz
6 frequencies of 169- 216 MHz
Less than 50mW
Less than 50mW
Less than 50mW
Less than 50mW
Frequency Modulation
Frequency Modulation
Frequency Modulation
Frequency Modulation
9.0V
9.0V
9.0V
9.0V
6LR61(9.0V Alkaline)
6LR61(9.0V Alkaline)
6LR61(9.0V Alkaline)
6LR61(9.0V Alkaline)
Approx. 6 V (When the battery voltage falls below this level, the battery
Approx. 6 V (When the battery voltage falls below this level, the battery
Approx. 6 V (When the battery voltage falls below this level, the battery
Approx. 6 V (When the battery voltage falls below this level, the battery
lamp begins to flash.)
lamp begins to flash.)
lamp begins to flash.)
lamp begins to flash.)
Wired Antenna
Wired Antenna
Wired Antenna
Wired Antenna
<Fig. 1. Jig>
<Fig. 1. Jig>
<Fig. 1. Jig>
<Fig. 1. Jig>
<Fig. 1. Jig>
<Fig. 1. Jig>
<Fig. 1. Jig>
<Fig. 1. Jig>
HOT
HOT
HOT
HOT
HOT
HOT
HOT
HOT
To AF SG
To AF SG
To AF SG
To AF SG
To AF SG
To AF SG
To AF SG
To AF SG
1 k ohm R
1 k ohm R
1 k ohm R
1 k ohm R
1 k ohm R
1 k ohm R
1 k ohm R
1 k ohm R
GND
GND
GND
GND
GND
GND
GND
GND
or
or
or
or
or
or
or
or
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