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參數(shù)資料
| 型號(hào)： | TDA8730 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | PLL FM demodulator for DBS signals |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PDIP16 |
| 封裝： | 0.300 INCH, PLASTIC, DIP-16 |
| 文件頁(yè)數(shù)： | 6/10頁(yè) |
| 文件大?。?/td> | 62K |
| 代理商： | TDA8730 |
March 1991
6
Philips Semiconductors
Preliminary specification
PLL FM demodulator for DBS signals
TDA8730
CHARACTERISTICS
V
DD
= 9 V; T
amb
= 25
°
C; f = 480 MHz; Input level 70 dB
μ
V; measured in circuit of Fig.4 unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX
.
UNIT
Supply
V
DD
I
DD
supply voltage
supply current
V
pin 12
to pin 10 or pin15
I
pin 12
; note 1
8.1
9.0
75
9.9
90
V
mA
Frequency demodulator
f
osc
f
osc
V
i
minimum oscillator frequency
maximum oscillator frequency
operating input level
input reflection coefficient
S11
unbalanced; pin 14 decoupled (50
reference)
balanced; 100
reference
phase detector constant
VCO constant
open loop gain of loop amplifier
open loop bandwidth of loop amplifier
input impedance of feedback input
output impedance of loop amplifier
VCO linearity error over
f =
±
10 MHz
shift of DC level at video output for
V
DD
=
±
10%
with unmodulated 480 MHz input signal
drift of DC level at video output for
T
amb
= 25 to 50
°
C
with unmodulated 480 MHz input signal
VCO capture range
differential gain
differential phase
intermodulation
pin 13; note 2
130
720
70
74
MHz
MHz
dB
μ
V
S11
pin 13; note 3
0.07
pin 13 to pin 14
(level at pin 13 is 70 dB
μ
V)
0.11
0.45
12
40
2.8
930
30
1
50
±
50
Kd
Ko
Ao
f-3 dB
Z
in
Z
out
le
V/rad.
MHz/V
dB
MHz
%
mV
pin 7 to pin 8
pin 8
pin 7
note 4
pin 9
pin 9
+50
mV
V
VCO
G
d
φ
d
MOD
±
14
70
±
4
±
2
MHz
%
deg.
dB
note 5
note 5
note 6
AGC
V
IAGC
AGC threshold (IAGC = 0 mA) as a
function of voltage applied to pin 16
V
pin16
= 0.8 V
V
pin 16
= 9.0 V
AGC steepness
AGC output saturation voltage HIGH at
I =
0.2 mA
AGC output saturation voltage LOW at
I = 0.2 mA
pin 13
73
18
67
dB
μ
V
dB
μ
V
mA/dB
note 7
pin 1; note 8
V
pin 1
to pin 10 or pin 15
V
DD
-0.5
V
DD
V
1.8
2.3
V
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