Philips PM 5326 - Page 102

PUSH-BUTTONS
CONTROLS
MEASURING
REMARKS
I
IUNT
FREQUENCY RANGE (MHz) I
C and R
MODULATION
MARK SWEEP RF SWEEP RANGE (MHz )
3FF AM INT OFF OFF A .4/ 10/ 3
3N ' FM EXT ON ON -5 11
B02
/1 -/2 -/3 -/4 -/5 -/6
-/7 -/8
-
ULL
OR
I XEI:
ARK
TTENUATION POWER
(dB) ON
Sockets or:
:XT .I- .25-
.5 -
I0 1
./I -12 -13 -14
/
xorxorx
F
M
h
--
--
G
--
NTEH
rh
--
MHz
Unit
RF OUT
Fig.
*nerator for marker spectrum, unit 4
ljust MARKER LED to equal
lminance as the MHz LED
1 MHz
+ 2 kHz
lOOkHz
i 20OHz
10 kHz
i 20 Hz 1
MARKER #f
Amplitude modulator, unit 4
Minimum
L
49-51 mV L
rms
nu<2dB
OSC via Filter,fgoZl MHz
SETTIN
1 MHz
AC-voltmeter
11 75 R
if 72 dB in range 50-125 MHz,
3mit or enlarge 541/U4
F3 Sweep generator, unit 6
5 0,51 MHz
2 11,5 MHz
42 MHz
SWEEP CE
C to RF OUT
2 35,5 MHz
2 9,5 MHz
0,39 MHz
I
to RE' OUT; adjust SWEEP
CNTER
till MARWR LED shows
.n. intensity
lETTING 10.7
SWEEP CENTER
LF Generator, unit 6
-/SWEEP OUT
RF OUT
C t0/SWEEP OUT
OSC
LF AMPL rh
LF FREQU rh
lh
rh
fmin 2 fmax/lO
Blanking
AM:%
25% - 35%
for 30%
for 95%
-FM :nf -
60 - 90 kHz
17,5-27,s kHz
65
- 95 kHz
22,5-32.5 kHz
Modulation voltage at
MOD/OUT
5,2
- 6,O Vpp
Modulation: AM/FM
ext 1,6
- 1,8 Vpp
ext 5,5-5,8Vpp
OSC to-/SWEEP OUT
2 kHz in MOD/-IN
B&K to
RF OUT
(selective voltmeter)
ext 5,5
- 5,8 Vpp
5,2
- 6,O Vpp
ext 5,5
- 5,8 Vpp
5,2
- 6,O Vpp