Note
The HW-32A is identical to the HW-12A except for frequency coverage. Frequency coverage for the HW-32A is 14.2 to 14.35 MHz. For additional discussion, specifications, and differences between the A series Single-Banders and the originals see listing under HW-12 and HW-12A.
References:
Review. 73 Amateur Radio. May 1967, p. 102.
Better dial mechanism. QST. Jun 1968, p. 36.
Use in the CW band. CQ. Dec 1970, p. 76.
Noise limiter. Ham Radio. Mar 1971, p. 67.
A receiver pre-amp for. CQ. Mar 1976, p. 26.
VFO slippage and backlash. QST. Sep 1976, p. 39.
Receiver Section
Frequency coverage: 14.2 to 14.35 MHz
Receiver mode: lower or upper sideband
Sensitivity: 1.0 µV input will provide at least 15 db signal plus noise to noise ratio
Selectivity: 2.7 kHz @ 6 db, 6 kHz @ 50 db
IF: 2305 kHz
Image rejection: 60 db
IF rejection: 65 db
Receiver audio response: 400 to 3000 Hz
Receiver audio power output: 1 watt
External speaker impedance: 8Ω
Antenna input impedance: 50Ω nominal, unbalanced
Transmitter section
Frequency coverage: 14.2 to 14.35 MHz
Transmitter mode: lower or upper sideband
Stability: less than 200 Hz per hour after one hour warmup
RF power output: 200 watts PEP
Unwanted sideband suppression: 45 db minimum below peak output @ 1000 Hz
Carrier suppression: 45 db minimum below peak output
Output impedance: 50Ω nominal, unbalanced
Transmitter audio response: 400 to 3100 Hz
Microphone required: hi-Z crystal, ceramic or dynamic; 10 mV minimum output
Power requirements: 800 VDC at 250 ma, 250 VDC at 100 ma, -125 VDC at 5 ma, and 12 volts AC or DC at 3.75 amps
Tubes: (3) 6EA8, (5) 6AU6, (1) 6BE6, (1) 12AT7, (1) 12BY7, (1) 6EB8,
(2), 6GE5
Photos, general information and specifications from "Heathkit: A Guide to the Amateur Radio Products," by Chuck Penson, WA7ZZE. Used with permission.
