EMRFD Chapter 4 Errata.
(31 July 09, 1Aug09, 8May11, 11oct12, 8mar14)
for Fig 4.1, first line: Should be
of an oscillator. (24Feb03)
left column, 4.2 inches down from text top: replace
"system in the Figure" with "system in Fig 4.1"
should be Fig 4.1.
(17 Apr 9)
p4.2, left column, 1.0 inch up from bottom:
replace "Colpitts or a Hartley" with "Colpitts or Hartley"
p4.3, middle col, 1.3 inches up from text bottom:
Eliminate the word "viable" from sentence. (26Mar03)
p4.4, bottom line in sidebar. replace
can [produce with can produce. (24Feb03)
(In regard to this sidebar, see the
new program Padcap in the design programs. 17April9)
p4.4, middle col, four lines up from bottom:
The proper spelling here is squegging
rather than squeeging.
p4.4, right col, 2 inches down from
text top: make it read "for overall efficiency."
p4.6, left col, 2nd line down from top:
That should be NP0 rather than NPO (NP Zero rather
than NP Oh.) (24Feb03)
left col, 4.5 inches down from text top: replace
know with known. (24Feb03)
p4.6, Fig 4.7. Add
the following to the caption on the figure: The unusually low value
of coupling capacitor in the source was chosen to suppress squeeging.
This difficulty disappears with the Hartley circuit of Fig 4.4. (8March2014)
p4.7, middle col, 0.3 inches down from text top: replace "it's
own" with "its own." (31 July 09)
p4.8, right col, 0.7 inch
up from bottom. Replace sentence "Output can be obtained
from the cap between Colpitts capacitors." with "Output can
be obtained from the junction of the Colpitts capacitors." (22June03)
p4.9. Fig 4.13. Add
(B) to upper right circuit.(22June03)
p4.9, Fig. 4.14. Add (B)
to the lower schematic in the figure. (24Feb03)
p4.10, 3rd column, 4 inches down from text top.
Replace "isolating the tank from the resonator" with
"isolating the tank from the active device." (3Dec03)
p4.11, Sidebar dealing with noise spectrum. The
equation is given as a carrier to noise ratio, CNR.
It should be NCR although both CNR and NCR appear
in the literature in this equation. (26Mar03)
p4.11, left column, 2.5 inch
up from text bottom. Change "..the circuit nonlinear
amplifier" to "..the circuit nonlinear amplifier"
where the italic emphasizes that it is circuit nonlinearities
that are needed for modulation. (22June03)
p4.11, left column, 0.5 inch
up from text bottom. Change "represent" to "represents"
p4.12, left column, top of
text: replace "like a esoteric" with
"like an esoteric" (9Dec03)
p4.12, right column, end of text: replace "emitter
R into an" with "emitter R in a" (9Dec03)
p4.13, Right col, 4th line down from text top.
"it's" becomes "its" (26Mar03)
p4.13, 1st col.,
1 inch down from top. Replace "autotransformer"
with "transformer" (3Dec03)
p4.13, right column, 1.0 inch down from text top:
replace "Fig 4.1" with "Fig 4.4" (9Dec03)
p4.14, first col, 1.0 inches down
from text top: Change that sentence to:
A crystal cross-section, a symbol, and an equivalent
circuit are shown in Fig. 4.22. (24Feb03)
p4.14, middle col, 1.7 inches down from
text top: those are 470 pF capacitors
rather than 470 pF inductors. (24Feb03)
p4.15, left col, 4 lines down from text top: change
"needed so" to "needed to. (11oct12)
p4.15, left col, 7 lines down from text top: change
"dependant" to "dependent". (11oct12)
p4.15, caption for photo: The caption
should make reference to Fig. 4.28 rather than 4.22.
p4.15, Fig 4.27. Caption: Remove the second sentence, for
a constant Lm is NOT a good general model for all crystals. (1Aug09)
p4.15, Fig 4.28.
The inductor should be 57 nH. This should be replaced
in both the figure and in the caption. The caption should
also say that the inductor is formed with 3 inches of wire with 5 turns
(not 3) wound on the 6-32 screw. (10Nov05) The L value
was corrected in the 3rd printing, but the wire length was not. (17April9)
p4.16, Fig 4.32 caption.
Replace "that a C" with "that at C"
p4.17, Fig. 4.33. D1 is the MV209
varactor diode while D2 is the 1N4152. Both are
labeled D1 in the figure. (24Feb03)
p4.18, middle column, 0.8 inch
down from text top. Change "course" to "coarse" (22June03)
p4.20, left col, 4th
line down. Replace length shows with lengths
p4.24, right column, bottom
of page: replace the sentence "Assume, for example,
that 1-Hz changes the reference at the detector." with
"Assume that the reference at the phase detector
changes by 1 Hz." (9Dec03) OK, the new sentence is there, but now we need to change
the "1H2" to "1 Hz" . (17April9)
p4.25, Fig. 4.47. The resistors, top
to bottom, are 1K, 10K, and 4.7K. (24Feb03)
p4.25, Fig 4.47. The 74HC193 is shown as having pins 5 and 14
connected to +5 volts. It should be pins 5 and 16 to 5 volts. (8May11)
p4.26, left col, 1.2 inches down from text
top: Cross out at the (24Feb03)
p4.26, right col, 1.7 inches below
text top: replace generate with generated
p4.27. Wrong photo. Here's
a version of the right photo:
(The book version
has no color!)
p4.27, Fig 4.51. The 3N211 should
be labeled as Q2. (24Feb03)
right col, 1.2 inches down from text top:
Cross out 4511, for that is not in the referenced figure.
p4.28, header. Replace "A Digital Dial"
with "4.9 A Digital Dial"
p4.28, left column, 1.3 inches up from
text bottom: replace "into the later category"
with "into the latter "category (9Dec03)
p4.30, Fig 4.55. The input bipolar
transistor should be labeled as Q1. (24Feb03)
p4.31, left column, 4.0 inches
up from bottom of text. Change "off the shelve" to "off
the shelf." (30June03)
p4.31, header at top of page: Replace
"4.9 Regarding Counter Accuracy" with "Regarding Counter