參數(shù)資料
型號： 935166750112
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： PLASTIC, SOT-266-1, SSOP-20
文件頁數(shù)： 15/20頁
文件大?。?/td> 239K
代理商： 935166750112
Philips Semiconductors
Product specification
SA636
Low voltage high performance mixer FM IF system
with high-speed RSSI
1997 Nov 07
4
AC ELECTRICAL CHARACTERISTICS
TA = 25°C; VCC = +3V, unless otherwise stated. RF frequency = 240.05MHz + 14.5dBV RF input step-up; IF frequency = 10.7MHz; RF level =
-45dBm; FM modulation = 1kHz with
±125kHz peak deviation. Audio output with C-message weighted filter and de-emphasis capacitor. Test
circuit Figure 1. The parameters listed below are tested using automatic test equipment to assure consistent electrical characteristics. 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
SA636
UNITS
MIN
TYP
MAX
Mixer/Osc section (ext LO = 160mVRMS)
fIN
Input signal frequency
500
MHz
fOSC
External oscillator (buffer)
500
MHz
Noise figure at 240MHz
12
dB
Third-order input intercept point
Matched f1=240.05; f2=240.35MHz
-16
dBm
Conversion power gain
Matched 14.5dBV step-up
8
11
14
dB
RF input resistance
Single-ended input
700
RF input capacitance
3.5
pF
Mixer output resistance
(Pin 20)
330
IF section
IF amp gain
330
load
38
dB
Limiter gain
330
load
54
dB
Input limiting -3dB
Test at Pin 18
–105
dBm
AM rejection
80% AM 1kHz
50
dB
Data level
RLOAD = 100k
120
130
mVRMS
3dB data bandwidth
600
700
kHz
SINAD sensitivity
RF level = -111dBm
16
dB
THD
Total harmonic distortion
-43
-38
dB
S/N
Signal-to-noise ratio
No modulation for noise
60
dB
IF level = -118dBm
0.2
0.5
V
IF RSSI output with buffer
IF level = -68dBm
0.3
0.6
1.0
V
IF level = -10dBm
0.9
1.3
1.8
V
IF RSSI output rise time
IF frequency = 10.7MHz
(10kHz pulse, no 10.7MHz filter)
RF level = -56dBm
1.2
s
(no RSSI bypass capacitor)
RF level = -28dBm
1.1
s
IF RSSI output fall time
IF frequency = 10.7MHz
(10kHz pulse, no 10.7MHz filter)
RF level = -56dBm
2.0
s
(no RSSI bypass capacitor)
RF level = -28dBm
7.3
s
RSSI range
90
dB
RSSI accuracy
+1.5
dB
IF input impedance
330
IF output impedance
330
Limiter input impedance
330
Limiter output impedance
300
Limiter output level with no load
130
mVRMS
RF/IF section (int LO)
System RSSI output
RF level = -10dBm
1.4
V
System SINAD
RF level = -106dBm
12
dB
相關(guān)PDF資料
PDF描述
935166750118 SPECIALTY TELECOM CIRCUIT, PDSO20
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0673.300 Circular Connector; MIL SPEC:MIL-C-26482, Series I, Solder; Body Material:Aluminum; Series:PT06; Number of Contacts:4; Connector Shell Size:8; Connecting Termination:Solder; Circular Shell Style:Straight Plug; Body Style:Straight
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