First Generation PA - Revision history

Bryan at 02:50, 1 December 2016

2016-12-01T02:50:50Z

Bryan: /* R1 to R2 */

2015-11-15T23:51:53Z

R1 to R2

Bryan: /* Conversions */

2015-11-15T23:51:12Z

Conversions

Bryan: /* Conversions */

2015-11-15T23:49:47Z

Conversions

Bryan: /* Pictures */

2015-11-15T21:50:02Z

Pictures

Bryan at 21:45, 15 November 2015

2015-11-15T21:45:49Z

Bryan at 17:52, 15 November 2015

2015-11-15T17:52:50Z

Bryan at 16:23, 15 November 2015

2015-11-15T16:23:46Z

Bryan: Created page with "The Quantar First Generation UHF Power Amps cover UHF R1, R2, R3 and R4. R0, 380-433 MHz, was a slight redesign, and it is covered else where. = Basics = The Basic module..."

2015-11-15T16:21:59Z

Created page with "The Quantar First Generation UHF Power Amps cover UHF R1, R2, R3 and R4. R0, 380-433 MHz, was a slight redesign, and it is covered else where. = Basics = The Basic module..."

New page

The Quantar First Generation UHF Power Amps cover UHF R1, R2, R3 and R4. R0, 380-433 MHz, was a slight redesign, and it is covered else where.

= Basics =

The Basic module is pictured below
[[File:110W UHF PA layout.png|400px|thumbnail|First Generation PA Layout]]

The complete schamtics are PNG format and are also avialbel as a
[[File:110W UHF PA TTE2061A TTE2062B TTE2063 TTE2064.pdf|PDF]]
<gallery>
110W UHF PA TTE2061A TTE2062B TTE2063 TTE2064-Layout.png|Layout
110W_UHF_PA_TTE2061A_TTE2062B_TTE2063_TTE2064-diagram.png|Schematic Diagram
</gallery>

= Conversions =

Converting from a R1 to R2 is quite easy

← Older revision		Revision as of 02:50, 1 December 2016
Line 135:		Line 135:

	Never attempted. The IPA, and FPA are different, but most likely will work as it's a ~5.4% frequency shift. The circulator and LPF are identical on these units so it should be only a matter of changing the ID.		Never attempted. The IPA, and FPA are different, but most likely will work as it's a ~5.4% frequency shift. The circulator and LPF are identical on these units so it should be only a matter of changing the ID.
		+
		+	[[Category:Quantar]]

@@ Line 115: / Line 115: @@
 The LPF is different but there is not any problem with using it for R2.  The insertion loss of the LPF is only .3 dB more at 470 MHz and it appears to work just fine.  Both LPF, R1 & R2 were swept with key data points taken as you can see below.
-<gallery mode="packed-hover" widths=300px>
+<gallery mode="packed-hover" widths=300px heights=300px>
 UHF R1 Power Amplifer Low Pass Filter sweep.png|UHF R1 Power Amplifier Low Pass Filter sweep
 UHF R2 Power Amplifer Low Pass Filter Overlay on R1.png|UHF R2 LPF (Purple) overlay on R1 (yellow)
@@ Line 121: / Line 121: @@
 The only thing necessary to convert the R1 to R2 is to change the ID resistors.
 == R2 to R1 ==

@@ Line 86: / Line 86: @@
 PA_ID_Resistors_IRL.jpg|Pictures of ID Resistors
 </gallery>
 {| class="wikitable sortable"

← Older revision		Revision as of 23:49, 15 November 2015
Line 79:		Line 79:

	= Conversions =		= Conversions =
		+
		+	PA ID is done via a resistor "ROM". This is a voltage divider on an analog input on the exciter. It appears to be in half volt increments and the exciter split must match the PA.
		+
		+	<gallery mode="packed-hover" widths=300px heights=300px>
		+	PA ID Resistors.png\|Layout of PA ID Resistors in the PA
		+	PA_ID_Resistors_IRL.jpg\|Pictures of ID Resistors
		+	</gallery>
		+
		+	{\| class="wikitable sortable"
		+	\|-
		+	! PA Type !! PA_ID_A !! PA_ID_B !! R4162 !! R4163 !! R4164 !! R4165
		+	\|-
		+	\| UHF 110W R0 \|\| 0.0 \|\| 1.5 \|\| OPEN \|\| 0 \|\| 390 \|\| 1k
		+	\|-
		+	\| UHF 110W R1 \|\| 1.0 \|\| 0.5 \|\| 15k \|\| 1.5k \|\| 560 \|\| 10k
		+	\|-
		+	\| UHF 110W R2 \|\| 1.5 \|\| 0.5 \|\| 1k \|\| 390 \|\| 100 \|\| 1k
		+	\|-
		+	\| UHF 110W R3 \|\| 3.0 \|\| 1.0 \|\| 2.2k \|\| 2.7k \|\| 1.5k \|\| 15k
		+	\|-
		+	\| UHF 100W R4 \|\| 3.5 \|\| 1.0 \|\| 18k \|\| 15k \|\| 1.5k \|\| 15k
		+	\|}
		+
		+
		+	== R1 to R2 ==

	Converting from a R1 to R2 is quite easy.		Converting from a R1 to R2 is quite easy.
		+
		+	The major components will cover the R2 band fully. The IPA and circulator are the same with only the FPA and LPF being different.
		+
		+	The FPA will cover the 8.6% frequency difference with out any appreciable difference. It's been tested at the W9CR labs at 438 and 470 MHz for 24+ hours of key-down with no noticeable difference. The R1 and R2 FPA pallets are almost identical as well.
		+
		+	The LPF is different but there is not any problem with using it for R2. The insertion loss of the LPF is only .3 dB more at 470 MHz and it appears to work just fine. Both LPF, R1 & R2 were swept with key data points taken as you can see below.
		+
		+	<gallery mode="packed-hover" widths=300px>
		+	UHF R1 Power Amplifer Low Pass Filter sweep.png\|UHF R1 Power Amplifier Low Pass Filter sweep
		+	UHF R2 Power Amplifer Low Pass Filter Overlay on R1.png\|UHF R2 LPF (Purple) overlay on R1 (yellow)
		+	</gallery>
		+
		+
		+	The only thing necessary to convert the R1 to R2 is to change the ID resistors.
		+
		+	== R2 to R1 ==
		+	Should be the same as R1 to R2
		+
		+	== R3/4 to R2 ==
		+
		+	Never attempted. The IPA, FPA, LPF and circulator are different. I would assume the IPA and FPA would be good. The circulator most likely needs to be changed, and harmonics checked, as the LPF cutoff is higher.
		+
		+	If anyone wants to try it and document it, please add it.
		+
		+	== R3 to R4 or R4 to R3 ==
		+
		+	Never attempted. The IPA, and FPA are different, but most likely will work as it's a ~5.4% frequency shift. The circulator and LPF are identical on these units so it should be only a matter of changing the ID.

@@ Line 46: / Line 46: @@
 = Pictures =
 <gallery mode="packed-hover">
 UHF R2 1st Gen PA.jpg|Quantar UHF Range 2 First Generation Power Amplifier

@@ Line 43: / Line 43: @@
 W UHF PA TTE2061A TTE2062B TTE2063 TTE2064-Layout.png|Layout
 W_UHF_PA_TTE2061A_TTE2062B_TTE2063_TTE2064-diagram.png|Schematic Diagram
 </gallery>

@@ Line 3: / Line 3: @@
 = Basics =
-The Basic module is pictured below
+The Basic module is pictured below.
-[[File:110W UHF PA layout.png|400px|center|thumbnail|First Generation PA Layout]]
+[[File:110W UHF PA layout.png|300px|center|thumbnail|First Generation PA Layout]]
-The complete schamtics are PNG format and are also avialbel as a
+The major parts of the PA are
 [[Media:110W UHF PA TTE2061A TTE2062B TTE2063 TTE2064.pdf|PDF]]
 <gallery>
@@ Line 15: / Line 47: @@
 = Conversions =
-Converting from a R1 to R2 is quite easy
+Converting from a R1 to R2 is quite easy.