参数资料
型号: TA1201CNG
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PDIP56
封装: 0.600 INCH, 1.78 MM PITCH, PLASTIC, SDIP-56
文件页数: 16/46页
文件大小: 795K
代理商: TA1201CNG
TA1201CNG
2004-05-24
23
TEST CONDITION (VCC = 9V, Ta = 25±3°C)
BUS MODE
NOTE
ITEM
(06)
(07)
(08)
(0A)
MEASUREMENT METHOD
10
920kHz Beat
(00)
(20)
(1) Apply the signals as follows to IF input,
f0 = 45.75MHz 31.6mVrms
fc = 42.17MHz 10.0mVrms
fS = 41.25MHz 10.0mVrms
(2) Apply the voltage so that the lowest of the output at pin 47 is equal Vsync.
(3) Measure the difference between fc and 920kHz beat.
11
IF AGC Range
RWAGC = VINMAXVINMIN
12
IF AGC Voltage
(1) Same as Note 3 (1)
(2) Measure the voltage at pin 5. (V5MEAN)
(3) Measure the voltage at pin 5 when no input. (V5MAX)
(4) Measure the voltage at pin 5 when input signal level is 178mVrms (V5MIN).
13
RF AGC Voltage
Ad-
just
(1) Same as Note 3 (1)
(2) Adjust the data of sub-address (08) (RF AGC) so that the voltage at pin 3
become 4.5V.
(3) Measure the voltage at pin 3 when no input. (V3MAX)
(4) Measure the voltage at pin 3 when input signal level is 178mVrms (V3MIN).
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