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參數(shù)資料
| 型號(hào)： | U2510B-M |
| 廠商： | TEMIC SEMICONDUCTORS |
| 元件分類： | 接收器 |
| 英文描述： | All-Band AM/FM Receiver and Audio Amplifier |
| 中文描述： | AM/FM, AUDIO SINGLE CHIP RECEIVER, PDIP28 |
| 封裝： | SDIP-28 |
| 文件頁數(shù)： | 5/15頁 |
| 文件大?。?/td> | 262K |
| 代理商： | U2510B-M |
U2510B
Rev. A3, 23-Feb-01
5 (15)
Electrical Characteristics (continued)
V
S
= 6 V, T
amb
= 25
°
C, test circuit (figure 16), unless otherwise specified
Parameters
Test Conditions / Pins
m = 30%
(S+N)/N = 26 dB
(S+N)/N = 46 dB
Symbol
AM
RR
V
i2
V
i2
V
i2
Min.
Typ.
25
9
22
3
Max.
Unit
dB
dB V
dB V
dB V
AM rejection ratio
RF sensitivity
Limiting threshold (-3 dB)
Mute voltage
Test point: Mute
V
i2
= 0
V
i2
= 60 dB V
Referred to V
0
at V
i2
= 0
S
6
= A
S
6
= C
f
OSC
> f
in
, S
3
= A, S
6
= A
V
i2
V
i2
= 20 dB V
V
i2
= 80 dB V
V
mute
V
mute
1.8
0.4
V
V
Mute depth
MD
MD
26
20
dB
dB
AFC holding range
10 dB V
FHR
FHR
FHR
I
LED
V
OSC
no AFC
180
220
5.5
180
kHz
kHz
mA
mV
LED current
Oscillator voltage
AM section
V
i1
= 60 dB V, f
i1
= 1.6 MHz, f
m
= 1 kHz, m = 30%, f
iIF
= 455 kHz,
AF measuring range: 300 Hz to 20 kHz, (S
2
= AM, S
1
= B, test point: V
D
)
AM front end voltage gain
GV
AM
= 20 log (V
iIF
/V
i1
)
V
i1
= 20 dB V, S
1
= A
Recovered audio voltage
Detector output resistance
Detector output distortion
V
i1
= 60 dB V
V
i1
= 105 dB V
RF sensitivity
(S+N)/N= 10 dB
(S+N)/N= 26 dB
(S+N)/N= 46 dB
AGC figure of merit referred
to V
D af
drop (V
D af
) = –10 dB
IF input resistance
LED current
Oscillator voltage
eZ
load
= 2.5 k
Pin 7
GV
AM
25
dB
V
D af1
R
Do
THD
THD
V
i1
V
i1
V
i1
70
7.5
1
3
0
16
35
mV
k
%
%
dB V
dB V
dB V
Pin 23
V
i1
= 105 dB V, voltage
FOM
Z
i
I
LED
V
OSC
100
3.1
5.5
160
dB
k
mA
mV
Pin 16
Pin 5
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