SA58640 NXP Semiconductors, SA58640 Datasheet - Page 10

• Manufacturer Part Number: SA58640
• Description: Low-voltage mixer FM IF system
• Manufacturer: NXP Semiconductors

Philips Semiconductors
9397 750 14161
Objective data sheet
Fig 5. I
Fig 7. Sensitivity vs. RF level (+25 qC)
(mA)
(dB)
(1) Audio
(2) AM rejection
(3) THD + noise
(4) Noise
I
CC
−15
−25
−35
−45
−55
−65
−5
6
5
4
3
5
−125
−55
V
level = 117.6 mV
CC
CC
vs. temperature and supply voltage
= 5 V; RF = 45 MHz; deviation =
−35
V
CC
−105
−15
= 7 V
5 V
5
RMS
−85
25
(1)
(2)
(3)
(4)
45
−65
65
85
−45
RFlevel (dBm)
rÃ
002aab128
001aab131
5 kHz; audio
t (°C)
105
Rev. 01 — 1 November 2004
125
−25
Fig 6. Mixer third order intercept and compression
Fig 8. RSSI vs. RF level and temperature (V
IF output
power
(dBm)
(1) Fund product
(2) 3rd order product
(3) 50
(V)
−20
−40
−60
−80
1.9
1.5
1.1
0.7
0.3
20
0
−125
−66
input
(1)
46
−105
Low-voltage mixer FM IF system
26
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
(2)
−85
−40 °C
85 °C
27 °C
6
www.DataSheet4U.com
RF
−65
RF = 45 MHz
IF = 455 kHz
(3)
RF
SA58640
14
input level (dBm)
level
002aab130
002aab132
(dBm)
CC
−45
34
= 5 V)
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