Hameg Instruments HM604-2 Bedienungsanleitung Seite 49

Adjustment
*
0
Note cw clockwise
ccw counterclockwise
O Änderungen !/Subject to change without notice !
vorbeh ten
locations;
HM
TP2(Source/Cnd)
. o.8V < vgs < 2.5V !
Attn. 7
50mv 0.5V
Attenuator settings:
Symbol:
: Adj. for flat squarewaveresponse
Symbol:
- Adj. for best step-function response
Symbol:
: if required
Rem.:
a) Square wavetestgen. (50 Ohm) : fo : 5 or 10 kHz;
b)Input c oupling pos. t o DC; 2:1 (1M) feed-through
604-2 •
EY 604-2
Rem.:Voltage value must be equal to or more negativethan -0.5V !
(TPI : IC2 pin6)
3
IC2
VR2
1
04
C12
Y - Gain
Adj. for opt. IOCH?/1kHz
square wave response;
5mV/div.
POS. .
CIO
(C4/C8/C12)
(C2/C6/C10)
tr approx.100ns
attenuator plugged-on
*
Attenuator
Balance
Adj. for no trace movement
between pos.:
DC-Balance
Adj. for no trace movement
between p os.: (2 ond5)mV/div.
VR3 2
Var.BaIance
VRI
Adj. for no trace movement
between VAR.Gcin set.: ccw. to cw
5
Procedureof adjustment:
step 1 : VR2
step 2 : VR3
Step 3 : VR4
step 4 : VR5
Rem.:
ampl./Y-setting
• 4 div.
For steps I to 4 set input
3
6
Inve
Bala
Adj, for no trace mov
between both iNV.Pos.
RF - Gain
Set tp. to 2/3 c
C39 9
VR4 3
Step 5 :
V
Step 6 : Y
step 7 . • Y
step 8 : Y
Step 9 :
S
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H