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參數(shù)資料
| 型號： | 935059610112 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | SPECIALTY TELECOM CIRCUIT, PDSO20 |
| 封裝： | 4.40 MM, PLASTIC, SOT-266-1, SSOP-20 |
| 文件頁數(shù)： | 17/22頁 |
| 文件大?。?/td> | 253K |
| 代理商： | 935059610112 |
Philips Semiconductors
Product specification
SA607
Low voltage high performance mixer FM IF system
1997 Nov 07
4
AC ELECTRICAL CHARACTERISTICS
TA = 25°C; VCC = +3V, unless otherwise stated. RF frequency = 45MHz + 14.5dBV RF input step-up; IF frequency = 455kHz; R17 = 2.4k; R18
= 3.3k; RF level = –45dBm; FM modulation = 1kHz with
±8kHz peak deviation. Audio output with de-emphasis filter and C-message weighted
filter. Test circuit 3. The parameters listed below are tested using automatic test equipment to assure consistent electrical characterristics. The
limits do not represent the ultimate performance limits of the device. Use of an optimized RF layout will improve many of the listed parameters.
LIMITS
SYMBOL
PARAMETER
TEST CONDITIONS
SA607
UNITS
MIN
TYP
MAX
Mixer/Osc section (ext LO = 220mVRMS)
fIN
Input signal frequency
150
MHz
fOSC
Crystal oscillator frequency
150
MHz
Noise figure at 45MHz
6.2
dB
Third–order input intercept point (50
source)
f1 = 45.0; f2 = 45.06MHz
Input RF Level = –52dBm
–9
dBm
Conversion power gain
Matched 14.5dBV step–up
13.5
17
19.5
dB
50
source
+2.5
dB
RF input resistance
Single–ended input
8
k
RF input capacitance
3.0
4.0
pF
Mixer output resistance
(Pin 20)
1.25
1.5
k
IF section
IF amp gain
50
source
44
dB
Limiter gain
50
source
58
dB
Input limiting –3dB, R17 = 2.4k
Test at Pin 18
–109
dBm
AM rejection
80% AM 1kHz
45
dB
Audio level
Gain of two (2k
AC load)
70
120
160
mV
SINAD sensitivity
RF level –110dB
17
dB
THD
Total harmonic distortion
–35
–50
dB
S/N
Signal–to–noise ratio
No modulation for noise
62
dB
IF RSSI output, R9 = 2k1
IF level = –118dBm
0.3
0.8
V
IF level = –68dBm
.70
1.1
1.80
V
IF level = –23dBm
1.2
1.8
2.5
V
RSSI range
90
dB
RSSI accuracy
+1.5
dB
IF input impedance
1.3
1.5
k
IF output impedance
0.3
k
Limiter input impedance
1.30
1.5
k
Limiter output impedance
(Pin 11)
200
Limiter output level
(Pin 11)
No load
5k
load
130
115
mVRMS
Frequency check/limiter output impedance
(Pin 9)
200
Frequency check/limiter output level
(Pin 9)
No load
5k
load
130
115
mVRMS
RF/IF section (int LO)
Audio level
3V = VCC, RF level = –27dBm
120
mVRMS
System RSSI output
3V = VCC, RF level = –27dBm
2.2
V
System SINAD sensitivity
RF level = –117dBm
12
dB
NOTE:
1. The generator source impedance is 50
, but the SA607 input impedance at Pin 18 is 1500. As a result, IF level refers to the actual signal
that enters the SA607 input (Pin 18) which is about 21dB less than the “available power” at the generator.
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