參數資料
型號: U4240B
英文描述: AM - RECEIVER
中文描述: 上午-接收機
文件頁數: 3/8頁
文件大?。?/td> 112K
代理商: U4240B
TELEFUNKEN Semiconductors
U4240B
Rev. A1: 12.07.1995
3 (8)
Absolute Maximum Ratings
Reference point Pin 18, unless otherwise specified
Parameters
Supply voltage
Input voltage
Symbol
V
S
V
2
IV
16–17
I
V
16,
V
17
I
16,
I
17
T
amb
T
stg
T
j
±
V
ESD
Value
12
12
12
VS
200
–30 to +85
–55 to +150
125
2000
Unit
V
Pin 15
Pin 2
Pins 16 and 17
Pins 16 and 17
Pins 16 and 17
V
Input current
Ambient temperature range
Storage temperature range
Junction temperature
Electrostatic handling
(MIL Standard 883 C) except Pin 10
mA
°
C
°
C
°
C
V
Thermal Resistance
Parameters
Symbol
R
thJA
Value
100
Unit
K/W
Junction ambient
Electrical Characteristics
V
S
= 8.5 V, reference point Pin 18, f
iRF
= 1 MHz, R
G
= 50 , f
mod
= 0.4 kHz, m = 30%, f
IF
= 460 kHz, T
amb
= 25
°
C,
unless otherwise specified
Parameters
Test Conditions / Pins
Pin 15
Symbol
Min.
Typ.
Max.
Unit
Supply
Supply voltage
Supply current
V
S
7.5
12
V
without load:
I
L
= 0 (Pin 13)
I
S
23
30
mA
RF preamplifier
DC input voltages
Input impedance
Pins 16 and 17
V
iRF
< 300 V, Pins 16, 17
V
i
R
i
C
i
R
i
C
i
V
i
V
S
/2
5.5
25
80
22
2.5
V
k
pF
k
pF
V
pp
V
iRF
> 10 mV Pins 16, 17
Maximum RF input voltage
Mixer output
Output impedance
Pins 16 and 17
Pin 1
R
o
C
o
s
M
500
6.0
k
pF
Conversion conductance
Oscillator
Frequency range
Oscillator circuit
impedance range
Controlled oscillator
amplitude
DC output voltage
I
oIF
/V
iRF
6.5
mA/V
Pin 14
Pin 14
f
osc
Z
Losc
0.6
0.5
60
200
MHz
k
Pin 14
V
osc
130
160
mV
I
L
= 0
Pin 13
V
o
6 V
BE
(4.2V)
V
Output load current range
Pin 13
–I
l
0
20
mA
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