參數(shù)資料
型號: PS2500AIT
廠商: Electronic Theatre Controls, Inc.
元件分類: XO, clock
英文描述: Low-Power Direct Digital Modulation Frequency Synthesizer
中文描述: 低功耗直接數(shù)字調制頻率合成器
文件頁數(shù): 26/28頁
文件大小: 184K
代理商: PS2500AIT
PS2500 2.2 GHz Fractional-N Frequency Synthesizer
- 26 -
Philsar Semiconductor Inc.
146 Colonnade Road S.
Nepean, Ontario, Canada
K2E 7Y1
Tel: 613-274-0922
Fax: 613-274-0915
www.philsar.com
PMP-001-DS2 V1.2
Figure 13: Hex9
Modulation Data Register
(Write only)
This register is used to load the modulation data samples to the modulation unit. This value is transferred to
the modulation unit on the falling edge of F
pd_main
where it will be passed to the main
Σ
modulator at the
selected magnitude offset on the next falling edge of F
pd_main
.
Values to be loaded are:
Modulation Data Bits
= Modulation data samples representing desired instantaneous frequency offset to
the selected main synthesizer frequency (selected channel) before being affected by the
Modulation Data
Magnitude Offset
.
Modulation Data Bits
A3
1
0
1
2
3
4
5
6
7
8
9
10
11
A0
1
A1
0
A2
0
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