Atten AT5011 - Block Diagrams; AT5010;11 Block Diagram

LEVEL
XYF
CRT
Low Pass
Filter
Video
Filter
Band Pass
Filter
29.5MHz
1st Mixer
Band Pass
Filter
1350MHz
2nd Mixer
Prescaler
1st IF
Amplifier
3rd Mixer
3rd IF
Amplifier
Y Final
Amplifier
X Final
Amplifier
Y-GAIN Y-POS. Y-GAIN Y-POS.
1st Local
Oscillator
1350-2350MHz
2nd Local
Oscillator
PLL
Band Pass
Filter
2.9MHz
BW: 20KHz
By Path
BW: 250KHz
3rd Local
Oscillator
Detector
Band Pass
Filter
2.9MHz
BW: 250KHz
LED
Display
Control
PLL
256:1
TG
LED-Display
Step.Gen.
Scanwidth
Clock
Generator
Tuning
Voltage
Generator
12MHz
Generator
Scanwidth
Switch
Marker
Sawtooth
Generator
Audio
AMP.
+6V DC
Amplifer
Mixer
Amplifier
Low Pass
Filter
PIN
Control
Voltage
Controlled
Oscillator
Amplifier
Level
Detector
PS
Power
Supply
HV &
Blanking
AT5011 only
3
400KHz 20KHz
1
1350~
2350MHz
z
2 3
400KHz
+6V DC
d