Tektronix TYPE L Instruction Manual page 23

o f distortion illustrated in Fig. 4-3(a).
transconductance of the tubes is very important
in maintaining good high-frequency response.
F o r this reason, the tubes themselves are
the most frequent sources
distortion. Shorted, or partially shorted peak­
ing coils are another common source.
solder falling on a peaking coil is often a
cause of this condition.
capacitors C6672 and C6772 are also very
AA
The
important in maintaining the proper risetim e.
An open condition
seriously affect the high-frequency response.
of this type of
4-3(b) is produced by excessive high-frequency
peaking.
Hot
Peaking control (R6692) can cause this condition.
R efer
Cross-coupling
proper adjustment of this control.
Maintenance - Type L Plug-In
in either
The overshoot condition, illustrated in Fig.
An improper
to the Calibration Procedure for the
capacitor w ill
setting of the H.F.
4-7