TM-1001 AM/FM Stereo Tuner
(310-1961)                 Specifications             Faxback Doc. # 45551

Electrical Performance Specifications

FM Section
                                           Nominal                   Limit

Tuning Coverage: ...................... 87.5-108.5 MHz ...... 88 - 108 MHz

IHF Usable Sensitivity: ................ 1.7 microV ........... 2.3 microV
                                          8.8 dBf ............... 13.5 dBf

Image Rejection Ratio @ 106 MHz: ......... 78 dB ...................7.0 dB

AFC Holding Range (with 1mV input)
                             Wide: ..... +/-1000 kHz .......... +/-800 kHz
                           Narrow: ..... +/-800 kHz ........... +/-500 kHz

Dial Calibration Accuracy 90 MHz: ............................. +/-250 kHz
                          98 MHz: ............................. +/-350 kHz
                         108 MHz: ............................. +/-250 kHz

IF Bandwidth (6 dB down)     Wide: ............................ +/-150 kHz
                           Narrow: ............................ +/-100 kHz

Discriminator Bandwidth (peak-to-peak) ... 400 kHz ............... 300 kHz

Output Voltage Mono: ...................... 850mV ............ 850 +/-3 dB
(@75kHz dev, 1kHz mod, 1mV input) 50 kOhm load

S/N Ratio @ 98 MHz, 1 mV Input: ........... 70 dB .................. 65 dB

Full Limiting (-3 dB): .................. 1.2 microV .......... 1.8 microV

Capture ratio (1 mV input): .............. 1.0 dB ................. 2.5 dB

IHF Selectivity              Wide: ........ 45 dB .................. 35 dB
                           Narrow: ........ 75 dB .................. 65 dB

Overload, THD at 98 MHz, 100% mod: ......... 0.2% ................... 0.5%
  (100 mV input RF input)

IF Rejection Ratio @ 90 MHz: .............. 90 dB .................. 80 dB

Distortion (1mV input, 400 Hz)
                             Wide: ......... 0.1% ................... 0.4%
                           Narrow: ......... 0.2% ................... 0.6%

Muting threshold: ........................ 8 microV .......... 4-16 microV

AM Rejection ratio (100 microV-20 mV): .... 45 dB .................. 40 dB
  (AM 30%, FM 100% Mod.) at 98 MHz

50 dB Quieting Sensitivity at 98 MHz: ... 3.0 microV ........... 6.0microV

FM MPX Section

                                           Nominal               Limit

Stereo Separation:  100 Hz ............... 38/30 dB ............. 28/20 dB
  (@ 1mV Input)       1kHz ............... 40/35 dB ............. 32/26 dB
   WIDE/NARROW       10 kHz .............. 32/28 dB ............. 25/20 dB

Stereo Beacon Sensitivity (Pilot 7%): .. . 7 microV .......... 4-16 microV

Distortion 1kHz (1mV input)  Wide: ......... 0.2% ................... 0.6%
                           Narrow: ......... 0.4% ................... 1.0%

De-emphasis 75 microSec @50-15,000Hz: .... +/- 1 dB .............. +/-2 dB

38kHz Leakage (1mV input): ................ -55 dB ................ -45 dB

SCA Rejection ratio (1mV input): .......... 60 dB .................. 50 dB

Output Voltage (1mV input)
   @ 1kHz 50 kOhm load: .................. 760 mV ............ 760 +/-3 mV

AM Section
                                           Nominal               Limit

Tuning coverage: ...................... 510-1620 kHz ......... 520-1620kHz

Sensitivity (for 20dB S+N/N or 10% THD)
  Radiated at 600, 1000 & 1400 kHz: ... 250 microV/m ........ 400 microV/m
  Terminal at 600, 1000 & 1400 kHz: ... 25 microV .............. 45 microV

Image Rejection @ 1400 kHz: ............. 40 dB .................... 35 dB

Output Voltage (5mV/m input): .......... 320 mV ............... 320 +/-3dB
  50kOhm load

Calibration  @  600 kHz: ....................................... +/- 15kHz
             @ 1000 kHz: ....................................... +/- 30kHz
             @ 1400 kHz: ....................................... +/- 40kHz

AGC Figure-of-Merit: .................... 45 dB .................... 38 dB

Selectivity (@ 1000 kHz,
     200 microV/m input): ............... 32 dB .................... 25 dB

IF Rejection @ 600 kHz: ................. 36 dB .................... 28 dB

S/N Ratio (@ 1000 kHz,
         100 mV input): ................. 50 dB .................... 40 dB

Bandwidth @ 1000 kHz, 
         5 mV/m input, 80% modulation: .......................... 6-14 kHz

THD (@ 1,000 kHz, 5mV/m input): .......... 0.8%  ...................... 2%

Audio Response at 2kHz
  (@ 1000kHz, 5mV/m input): ........................................ -6 dB

AM Beat (@ 2IF/3IF) 1-50 mV/m input: ...... 4% ....................... 10%

                   50-100mV/m input: ...... 10% ...................... 15%

Power Requirements: ................................. *AC 120V, 60 Hz, 18W

(WR/tc 08/03/98)