 |
|||
|
|
|||
|
|
|||
| ||||||||||
|
|  TM 11-5820-509-35
Section
Action required
Reference standard
each with 110 volts, 400-Hz primary
(b)
Filtered low voltage: In red portion of DC VOLTAGE
meter; ripple less than 0.075 volt rms.
power source.
(c) Regulated voltage: In red portion of DC VOLTAGE
meter; ripple less than 0.01 volt rms Range of
adjustment from 18.0 to 20.0 volts dc set at 19.0 +0.4
volts.
(d) Filament voltage: 6.9 to 6.5 volts rms on ac voltmeter.
O-1032/PRC-47
1.
(a) At A6J2, read 17.6 1.0 volts dc.
1.
Perform initial settings and adjustments.
(b) Read 35.0 6.0 ma on the 20V CURRENT mater.
2.
Not less than 0.3 volt rms
2.
Record output of 3.0 MHz subassembly.
3.
(a) Q4 stable from 2.9 to 3.1 MHz.
3.
Record locked oscillator Q4 bandwidth,
(b) Output at A6J3, 1.5 0.2 volts rms
and 500-kHz amplifier output levels.
(c) Output at A6J4, 1.5 0.2 volts rms.
4.
Record locked oscillator Q8 bandwidth,
4.
(a) Q8 stable from 2.9 to 3.1 MHz.
and 100-kHz amplifier output levels.
(b) Output at A6J1, 1.5 0.4 volts rms
5.
At A6J3, output frequency is 5000,000.00 0.05 Hz.
5.
Record final oscillator frequency.
1.
(a) 100 kHz sinewave input is 1.81 0.5 volts p*p and
C-4311/PRC-47'
1.
Record pulse generator output.
pulse width is 0.3 0.1 us
(b) 500 kHz input is 1.5 volts p-p
(c) 1-MHz pulse output is 6.0 2.5 volts p-p and fall tune
is 0.1 0.03 us.
(d) Adjust capacitor C15 for minimum ripple on 1. MHz
pulse.
2.
Record 1.8- to 0.9-MHz.
2.
Output volts at 1.8 - 0.9 MHz test point must not be less than:
At 1.8 MHz, 2.3 volts p-p.
At 1.7 MHz, 3.4 volts p-p.
At 1.6 MHz, 4.3 volts p-p.
At 1.5 MHz, 3.4 volts p-p.
At 1.4 MHz, 2.8 volts p-p.
At 1.3 MHz, 2.6 volts p p.
At 1.2 MHz, 2.8 volts p-p.
At 1.1 MHz, 3.6 volts p-p.
At 1.0 MHz, 3.3 volts p-p.
At 0.9 MHz, 3.3 volts p-p.
3.
(a) Set output of Q21 to 3.707 MHz 1.0 Hz.
3.
Align and adjust crystal oscillator output.
(b) Set output at A7J1 with S2 at 00 for each position of
bandswitch S1 within 1 Hz:
S1 at 0, 700.0 kHz
S1 at 1, 699.0 kHz
S1 at 2, 698.0 kHz
S1 at 3, 697.0 kHz
S1 at 4, 696.0 kHz
S1 at 5, 695.0 kHz
S1 at 6, 694.0 kHz
S1 at 7, 693.0 kHz
S1 at 8, 692.0 kHz
S1 at 9, 691.0 kHz
(c) Set output at A7J1 with S1 at 0 for each position of
bandswitch S2 within 1 Hz:
S2 at 1, 690.0 kHz
S2 at 2, 680.0 kHz
S2 at 3, 670.0 kHz
S2 at 4, 660.0 kHz
S2 at 6, 650.0 kHz
S2 at 6, 640.0 kHz
S2 at 7, 630.0 kHz
S2 at 8, 620.0 kHz
S2 at 9, 610.0 kHz
4.
Record output of 600 - 700-kHz filter.
4.
At A7J1, 0.9 to 1.3 volts pep, at each setting of S1 and S2.
6-12
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals