Block Diagram - Philips PM 5125 Manual

(3
SK3 FREOUENCV RANGE SELECTOR
1 AMPLIFIER AMPLIFIER
T522
PHASE SH/F i
90°
T525
PHASE SHIFT
90°
SVN C. IN
Q BU3
3 AMPLIFIER
R1 Z-R1II GANGED
CONTINUOUS FREQUENCY CONTROL
T528-29
PHASE SH/F!
!80°
AMPLITUDE
~ CONTROL
T530-T53L R<6
oscl«aroR
OUTPUT
STAGE
T532
ti
SQ UARER
SCRMITT
TRIGGER
T 561---63
1
OUTPUT
STAGE
T S6< - 65
R 2I_R2II GANGED
CONTINUOUS AT TEN UATOR
AMP,'_ ICIER
~'
T581-BG
OUTPUT
STAGE
T 585-86
SK2 WAVE FORM SELECTOR
STEP
ATTEN UATOR
SK4
8U4
60071
BU1
LOW Z°
M A 5045
Fig. 3. Block diagram