參數(shù)資料
型號: TA32305FN
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PDSO30
封裝: 0.300 INCH, 0.65 MM PITCH, PLASTIC, SSOP-30
文件頁數(shù): 24/26頁
文件大小: 605K
代理商: TA32305FN
TA32305FN/FNG
2003-12-04
7
7. RF Amp Current Adjustment
The RF amp current dissipation can be regulated by varying resistor R as shown in the figure below.
When R
= 560 , the current dissipation is approximately 600 A.
Figure 4
8. Battery-Saving (BS) Function
The IC incorporates a battery-saving function. These functions offer the following selection.
Receiver
FM Mode (FM/AM pin: GND)
RX Pin
Circuit Status in the IC
IC Current
Dissipation
(at no signal)
H
Circuits in operation:
×8 circuit
Mixer
RF amp
Comparator
IF amp
Detector circuit
RSSI
Comparator capacitor charger circuit
5.6 mA (typ.)
L
All circuits
0 mA (typ.)
AM Mode (FM/AM pin: OPEN)
RX Pin
Circuit Status in the IC
IC Current
Dissipation
(at no signal)
H
ircuits in operation:
×8 circuit
Mixer
RF amp
Comparator
IF amp
RSSI
Comparator capacitor charger circuit
5.3 mA (typ)
L
All circuits
0 mA (typ)
Transmitter
TX Pin
Circuit Status in the IC
IC Current
Dissipation
(at no signal)
H
Circuits in operation:
×8 circuit
TX amp
4.3 mA (typ)
L
All circuits
0 mA (typ)
17
R
RF DEC
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