FX806A 데이터 시트보기 (PDF) - CML Microcircuits
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FX806A Datasheet PDF : 13 Pages
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Specification......
Characteristics
See Note
VOGAD Peak Detectors
Output Impedance - Logic “1” (Compress)
- Logic “0”
Hi/Lo Peak Detector Thresholds
Hi Peak Detector Threshold
Input (Low + Highpass) Filter
Gain (at 1.0kHz)
Input Level Amp
Nominal Adjustment Range
Error of any Setting
Step Size
External Audio Buffer
Gain
Pre-emphasis (Main Process and VOGAD)
Slope
Gain (at 1.0kHz)
Process Highpass Filter
Gain (at 1.0kHz)
Deviation Limiter
Threshold
Gain
Process Lowpass Filter
Gain (at 1.0kHz)
Process Gain Amp
Nominal Adjustment Range
Error of any Setting
Step Size
Output Impedance
Transmitter Modulator Drives
Input Impedance
Mod.1 Attenuator
Nominal Adjustment Range
Error of any Setting
Step Size
Output Impedance
Mod.2 Attenuator
Nominal Adjustment Range
Error of any Setting
Step Size
Output Impedance
Audio Output Attenuator
Nominal Adjustment Range
Error of any Setting
Step Size
Output Impedance
Miscellaneous Impedances
Processed Audio Input
Calibration Input
External Process Out
Rx with De-Emphasis By-Pass
Min.
–
–
–
–
-1.0
-4.0
-1.0
0.75
-0.1
–
–
-1.0
–
-0.5
-1.0
-4.0
-0.5
0.75
–
–
0
-1.0
0.2
–
0
-0.6
0.1
–
0
-1.5
–
–
–
–
–
–
Typ.
1.0
10.0
1,300
650
0
–
1.0
0
6.0
10.0
0
1,300
–
0
–
1.0
600
15.0
–
0.4
600
–
0.2
600
–
1.6
600
500
500
100
25.0
Max.
Unit
–
kΩ
–
MΩ
–
mV p - p
–
mV +ve pk
1.0
dB
10.0
dB
1.0
dB
1.25
dB
0.1
dB
–
dB/oct.
–
dB
1.0
dB
–
mV p - p
0.5
dB
1.0
dB
3.0
dB
0.5
dB
1.25
dB
–
Ω
–
kΩ
12.4
dB
1.0
dB
0.6
dB
–
Ω
6.2
dB
0.6
dB
0.3
dB
–
Ω
48.0
dB
1.5
dB
–
dB
–
Ω
–
kΩ
–
kΩ
–
Ω
–
kΩ
Notes
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
Between Mic. or Rx inputs to Modulator or Audio outputs.
The deviation from the ideal overall response that includes the pre- or de-emphasis slope.
Excluding the effect of the pre- or de-emphasis slope.
Producing an output of 0dB with the Mic. Op-Amp set to 6dB (as shown in Figure 2) and the Modulator Drives set
to 0dB.
With Output Drives set to 0dB and the system calibrated, as described in the Application pages.
Input level range for 0dB output, by adjustment of the Input Level Amp.
It is recommended that these output levels will produce 60% or 100% deviation in the transmitter.
With the microphone input level 20dB above the level required to produce 0dB at the Output Drives.
Using external components recommended in Figure 2.
In a 30kHz bandwidth.
dBp = Psophometrically weighted measurement.
11
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