RCA AR-88 User Manual

GENERAL PURPOSE COMMUNICATIONS RECEIVER
MODEL AR-88
TECHNICAL SUMMARY
Electrical Characteristics
Frequency Range--total 6 bands ......... , ............ , ......... , .................... 535 to 32,000 lee
Band 1 ....................•••..••....•..•..••. , ......•.....•........•• ~. "'~ ... 535 to 1,600 kc
Band 2 ......................•..••..•.............•................•. , .•.•.... 1,570 to 4,5;0 ke.
Band 3., .........•...........•.......••..•..•.••......•.•...........••....... 4,.SO to 12,150 kc',
Band 4 .....................••....•.•..........•....•...........•... ,.: ...... 11,900 to 16,600 ,kc'
Band 5 ..................................................................... 16,100 t~ 22,700 ~c
Band 6 .......................•.............•.......................•...... " 22,000 to 32,000 KC
Maximum Undistorted Output-app~ximate-2. 5 watts
Power Supply' Requirements
Line Rating .......................... 100-117, 117-135, 135-165, 190-230, 200-260 volts, 50/60 cycles.
or Batteries. '" .............................. '" 6 volt "A" battery and 250 to 3QO volt "B" battery.
or Vibrator Power Supply Unit ...............•.... MI-8319.
Tube Complement
R-F and I-P Amplifiers .......••.......•.....•...•..•..•..•.•.•••.••.•.•.....•.•• S'RCA·6SG7
1st Detector (converter) ......•............... ~ ........••.............•..... , ...• 1 RCA·6SA7
Oscillator ...........................•.... ' ................................... " • RCA-6]5
2nd Detector ................•....•.............. , .....• ' .•..........•........... 1 RCA·6H6
Noise Limiter ..............•.•...•....................•.•. '. . . . . . • • . . • • • . . . . . . .• 1 RCA·6H6
A· F Amplifier ...............••..•. ~ • • • . . . . . . . . . . • . . . • • . . • . . . . • . . . . • . . . . • . • . . . .. • RCA·6S]7
Power Amplifier. . . . . . . . . . . . . • . . . . . . . . . . . . • . . . . . . . . . . • . . . . . . . . . . . . . . . • . . • . . . . . .• 1 RCA·6K6GT
Beat Frequency Oscillator .......•............•.•.•..•.••...•••.....•.•..•.......• ItllCA·6]5
Rectifier.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . • . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 1 RCA·;Y3GT
V oltage Regulator . . . . . . . . . . . . • . . . . . . . . . . . . . . . . . . . . • . . . . . . . . . . . . . . . . . • • • . . . . . . .. 1 RCA· VR·. 50
*Output Impedance--2.5 ohms and 600 ohms.
Mechanical SpeciAcations
Overall Dimensions ..........•........... " ..•.• 1934 inches wide x 11 inches high x 1934 inches deep
*Receivers with Serial Nos, .below oo~ooo do not have the 600 ohm output.
TABLE 1-PERFORMANCE DATA
(Approximate Values - Taken on SampJe Receiver)
.. -
Sensitivity Antenna Input in Antenna Input in
Band
in Microvolts Microvolts
for 6 DB Microvolts for 20 DB Image
No.
Megacycles
for
0.5 watt . Signal·Noise Ratio
Signal-Noise Ratio
Ratio
1
.6
.5 .9
4.6
Greater
than
1,000.000
1.0 .9 1.4 8.0
1.5
1.0 2.2 12.0 1,000000
2
1.7
.6
1.0
5.0
240,000
3.0
.6 .95 4.8
4.3
.6 .9
4.5 14.100
3
4,6
.8 1.3
8.0
60,000
8.0
.8 1.2 6.8
11.5
.7
1.1
6,0 2,000
4
12.1
1.2 1.3 6.6
4,000
16.4
.7 1.2 7.0
1,;00
5
16.4
1.1 1.3
7.0
1,000
22';'
.8 1.4
8.0
- ..
~OO
6
22.5
2.5 1.5
8.0
400
28.0
1.2
1.3 7.0
200
I·F rejection at 600 kc is 100,000.

RCA AR-88 Specifications

General

Type	Communications Receiver
Modes	AM, CW
IF Frequency	455 kHz
Power Supply	50-60 Hz
Weight	85 lbs
Frequency Range	0.54 MHz to 32 MHz