SM8761 Datasheet, PDF (10/11 Pages) Nippon Precision Circuits Inc – Spread Spectrum Clock Generator

SM8761 series
CLKOUT Output Spectrum Sample (SM8761AA)
A sample SM8761AA CLKOUT output spectrum is shown in Figure 6.
MKR:33.200MHz 9.37dBm
W:A
RL:10.0dBm 10dB/AT30dB ST 3s D:PK
CNF:33.2MHz SPF:3.3MHz
RB3kHz VB1kHz
(a) NPC test mode: SS OFF, fin = 33.2MHz
MKR:32.434MHz −5.19dBm
W:A
RL:10.0dBm 10dB/AT30dB ST 3s D:PK
CNF:33.2MHz SPF:3.3MHz
RB3kHz VB1kHz
(b) MSEL1 = "L"/ MSEL0 = “H”: down spread –2.8%, fin = 33.2MHz
Figure 6. Output spectrum sample
Note. The output spectrum sample in figure (a) is for NPC test mode with the SS function OFF.
Note. These spectrum diagrams were obtained using the NPC evaluation board. These spectrum diagrams are not guaranteed SM8761 series device
characteristics.
NIPPON PRECISION CIRCUITS INC.—10