SA58640DK NXP Semiconductors, SA58640DK Datasheet - Page 12

• Manufacturer Part Number: SA58640DK
• Description: Up-Down Converters NB FM IF RECEIVER
• Manufacturer: NXP Semiconductors

Specifications of SA58640DK

• Maximum Input Frequency: 100 MHz
• Mounting Style: SMD/SMT
• Maximum Power Gain: 17 dB
• Operating Supply Voltage: 5 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Package / Case: SSOP-20
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: SA58640DK,112

NXP Semiconductors
14. Test information
SA58640
Product data sheet
Fig 11. Application circuit test setup
(1) Set your RF generator at 45.000 MHz, use a 1 kHz modulation frequency and a 6 kHz deviation if
(2) The measured typical sensitivity for 12 dB SINAD should be 0.45 μV or −114 dBm at the RF input.
(3) The smallest RSSI voltage (i.e., when no RF input is present and the input is terminated) is a
(4) The C-message and de-emphasis filter combination has a peak gain of 10 dB for accurate
you use 16 kHz filters, or 8 kHz if you use 30 kHz filters.
measure of the quality of the layout and design. If the lowest RSSI voltage is 500 mV or higher, it
means the receiver is in regenerative mode. In that case, the receiver sensitivity will be worse than
expected.
measurements. Without the gain, the measurements may be affected by the noise of the scope
and HP339A analyzer. The de-emphasis filter has a fixed −6 dB/octave slope between 300 Hz and
3 kHz.
RF GENERATOR
45 MHz
All information provided in this document is subject to legal disclaimers.
(1)
V
CC
Rev. 3 — 12 April 2011
(+3 V)
SCOPE
DC VOLTMETER
Low-voltage mixer FM IF system
RSSI
HP339A DISTORTION
C-MESSAGE
DE-EMPHASIS
ANALYZER
DEMOBOARD
AUDIO
SA58640
FILTER
(2)
(4)
(3)
SA58640
002aab127
© NXP B.V. 2011. All rights reserved.
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