Delta MS210 User Manual download pdf (Page 28)

MS210

MS210 DS004 www.mshinetek.com

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The above information is the exclusive intellectual property of M-Shine Technologies Corporation and shall not be disclosed, distributed without permission

rom M-

hine.

Figure 21. MS210 with external amplifier up to 10 Watt or more.

In Figure 21, protection circuits are used to protect the MOSFET. The Zenner Diodes Z1 and Z2 are used to

prevent break-down of APM2301, and the fuse is to prevent over-current. R5 and R6 are around 10K ohms

and used to prevent both ON when not playing.

If the MOSFET changed to more high-voltage ones, above circuit may be used at higher voltage

environments.

Voice Changer Function

MS210 has 2 voice changer function option. When enabled, it will have the sound effect when playing.

When VCH connect to GND, MS210 will have Pitch-shift effect that playing frequency will be 150% of

recording frequency. The entire signal flow has no change.

When VCH connect to VDD, MS210 will have “ROBOT” effect. The ROBOT effect is by the following steps:

1. Decode 4096 samples,

2. Save the first 1024 samples to RAM. (8-bit).

3. Repeat playing the 1024 samples from RAM for 4 times.

4. Go to step 1.

That is, the signal flow will be changed for “ROBOT” effect as below:

1 2 ... 23 24 25 26 27 28 29 30 31 32 33 34 35

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Delta MS210 User Manual Page 28

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