HP 203A - Page 5

Model 203A
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01760-3
Page
Model 203A Variable Phase Function
Generator. v ox uui ip Xo ди Sos 42% 1-0
Front Panel Description. ........ 3-2
Operating Instructions. ......... 3-3
Circuit ОеаПйв.............. 4-2
Block Diagram. aeanoea enea’ 4-5
Frequency Dial Calibration. ...... 5-2
Frequency Кевропве...,....... 5-2
Sine Wave Сһеск............. 5-4
Square
Wave
Check
...........
5-4
Phase Lag Check ............ 5-5
Phase Lag Dial Adjustment ....... 5-10
Typical Waveforms ..... 5-12/5-13/5-14
Chassis - Top View........ 5-15/5-16
5 Ме Oscillator and 9:1 Divider Assembly
Ai-Component Location. .... 5-17/5-18
5 Mc Oscillator and 9:1 Divider
Assembly Al - Schematic . . . . 5-17/5-18
RF Amplifier Assembly A2 -
Component Location.......... 5-19
RF Amplifier Assembly A2 and
Adjustable Phase Shifter Assembly
А25-- Schematic ..; . 6-0 46s # a 6s 5-19
5-19а.
5-19b.
5-20.
5-21.
5-22.
5-23.
List of Illustrations
Page
Decade Module Assy A11 thru A16 -
Component Location. . . . . .. 5-21/5-22
VFO Assy A10 and Decade Module
Assy А11 thru A16 - Schematic. 5-21/5-22
Modulator Assy A3 - Component
Location. oy. xus boe qnis 5-23/5-24
Modulator Assy A3 - Schematic . 5-23/5-24
DC Amplifier Assy Аб and АТ -
Component Location ......... 5-25
Low Pass Filter Assy А4, DC Ampl
Assy A6 and Square Wave Gen ad
А8 - Schematic ............ 5-25
Low Pass Filter Assy A4 and A5 -
Component Location ......... 5-26
Square Wave Gen Assy A8 and A9 -
Component Location ...... 5-21/5-28
Low Pass Filter Assy А5, DC
Атар! Assy АТ, and Square Wave
Gen Assy - Schematic. ..... 5-27/5-28
Power Supply Assy À22- Component
Шюосайол...........,..... 5-29
Power Supply Assy A22 and Rectifier
Assy А21 - Schematic. ........ -29
Frequency Tuning Assy, Mechanical
5-30
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