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Electronic tuning for frequency synthesizer
DESCRIPTION
The BSFJ77G19 is an integrated single conversion tuner
and FM demodulator. It was designed for the reception
of analog signals. It has a dual input and a combined
video and audio output. The input frequency range is
920 to 2,050 MHz. A 27 MHz bandpass filter is posi-
tioned at the first IF. A digital AFT output is provided for
evaluation of receiver system accuracy.
This tuner is controlled by external three wire PLL inter-
face. A 1/128 prescaler is internal to this tuner and pro-
vides the ability to interface with a PLL.
For more information on this product, please contact
your local Sharp representative.
FJ77G19-1A
SPECIFICATIONS
Receiving Frequency Range
Input Level
Input Impedance
Intermediate Frequency
Channel Selection System
Operating Supply Voltage
Operating ODU Voltage
Operating Tuning Voltage
IF Bandwidth
Demodulation System
Input Structure
Prescaler Division Ratio
920 to 2,050 MHz
-60 to -30 dBm
75
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479.5 MHz
Electronic tuning for frequency
synthesizer
5
鹵0
.3 V
25 V
0.4 to 28 V
27 MHz
PLL
F type female
1/128
1
2
