參數(shù)資料
型號: SA2400ABE
廠商: NXP SEMICONDUCTORS
元件分類: 無繩電話/電話
英文描述: Single chip transceiver for 2.45 GHz ISM band
中文描述: TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, PQFP48
封裝: 7 X 7 MM, 1.40 MM HEIGHT, PLASTIC, SOT-313-2, LQFP-48
文件頁數(shù): 12/34頁
文件大?。?/td> 325K
代理商: SA2400ABE
Philips Semiconductors
Product data
SA2400A
Single chip transceiver for 2.45 GHz ISM band
2002 Nov 04
12
9.1 AGC handshake and timing
Rx
TURN-ON
REGULAR SETTLING
SET
MAXGAIN
REGULAR
SETTLING
TXRX
AGCRESET
AGCSET
T
h,agcreset
T
dsettle
T
drxon
T
reset
T
restart
T
r,agcreset
SR02417
Figure 3.
AGC handshake and timing.
Table 7. AGC timing
Symbol
Parameter
Condition
Min
Typ
Max
Units
AGC logic level requirements
V
IH
V
IL
AGCRESET timing
HIGH-level logic input voltage
0.5
×
V
DD
–0.3
V
DD
+0.3
0.2
×
V
DD
V
LOW-level logic input voltage
V
T
r,agcreset
T
h,agcreset
, g
Input rise time
10
40
ns
μ
s
μ
s
μ
s
Input hold time
To execute AGC settling
5
8
To set AGC to max. Gain
0.5
1
T
restart
AGCSET timing
Time between AGC cycles (Note 1)
1
T
drxon
T
reset
T
dsettle
NOTES:
1. In certain time interval further AGCRESET rising edges will not be detected. This applies for 4.3
μ
s < T
restart
< 4.8
μ
s.
Settling time after switching to Rx
5
μ
s
ns
μ
s
Clearing time after AGCRESET
180
AGC settling time
11
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